A good bluetooth transmitter and receiver solves two problems at once: it beams sound from a device that has no Bluetooth, like an older TV or a wired amplifier, and it also pulls Bluetooth audio into a speaker or car stereo that never shipped with wireless support. That flexibility is why these little 2-in-1 adapters have become one of the most useful audio gadgets you can own. Whether you want private late-night TV listening, wireless music in an aging car, or your own headphones on a long flight, the right adapter quietly removes a wire you have lived with for years. For July 2026 we compared 8 of the most popular models to help you match the right one to your setup.

Our top pick is the UGREEN Bluetooth Transmitter Receiver for its rock-solid dual-device pairing and consistently low audio lag. If you only need to add wireless sound to a home stereo on a tight budget, the Esinkin receiver is the smarter buy. Below we break down every model, then walk through exactly what separates a great bluetooth transmitter and receiver from a frustrating one so you can choose with confidence.

1
Best Seller

UGREEN 2-in-1 Bluetooth Transmitter and Receiver Adapter (Best Overall)

UGREEN
9.4 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • Reliable dual-device pairing for two headphones
  • Low latency for lip-synced TV audio
  • Truly pocket-sized and travel friendly
  • Simple mode slider with no fussy setup

Cons

  • Only a 3.5mm aux jack, no optical or RCA
  • Battery must be recharged for long trips
Detailed Review

The UGREEN Bluetooth Transmitter Receiver is the adapter we reach for first because it does the most jobs with the least fuss. A small slider flips it between transmitter mode for sending TV or laptop sound to your headphones and receiver mode for streaming a phone into a wired speaker. That versatility, plus a genuinely pocketable body, makes it an easy recommendation for a first purchase.

Its standout trick is pairing two sets of headphones at once, so a couple can share the same movie in silence. Latency stays low enough that dialogue stays in sync, and the connection holds steady across an average living room. Pairing is quick and the controls are obvious.

The main limitation is connectivity. You get a single 3.5mm aux jack and nothing else, so a home theater that needs optical or RCA will want a different pick. As a battery-powered portable, it also needs occasional charging. For most people, though, those are minor trade-offs.

Bottom line: the most flexible all-rounder here, and the safest choice if you are not sure exactly what you need.

Specifications
  • Type: 2-in-1 transmitter and receiver
  • Connection: 3.5mm aux jack
  • Multipoint: pairs two devices at once
  • Power: rechargeable battery, USB-C
  • Best for: everyday portable use
Who It's For

Ideal for anyone who wants a single adapter for the TV, the plane, and the car without owning three gadgets. If you value simplicity and dual-headphone sharing over premium ports, this is your unit.

How to Use

Slide to TX and plug into a TV headphone jack to send sound to your earbuds, or slide to RX and connect to a stereo aux input to stream from your phone. Hold the button to enter pairing mode, then select the adapter on your device.

2
Editor's Pick

1Mii B03Pro Bluetooth 5.3 Transmitter Receiver with Audiophile DAC

1Mii
9.5 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • Built-in DAC for cleaner, fuller sound
  • aptX Low Latency, HD, and Adaptive support
  • Optical, RCA, and aux inputs and outputs
  • Dual link streams to two headphones
  • On-device volume control

Cons

  • Larger and meant to stay plugged in
  • More features than a casual user needs
Detailed Review

The 1Mii B03Pro is the pick for listeners who care about sound quality above all else. Its built-in DAC does real work, delivering a fuller and more detailed signal than the basic chips inside cheaper adapters. Paired with aptX HD or Adaptive headphones, it gets impressively close to a wired experience.

Connectivity is where it pulls ahead. Optical, RCA, and 3.5mm ports mean it slots into almost any home stereo or TV, and it can act as either transmitter or receiver. Dual link support lets two people listen together, and the physical volume control is a genuinely handy touch that many rivals skip.

This is not a grab-and-go travel unit. It is larger and designed to live in an entertainment cabinet on constant power. For a home listener that is exactly right, but frequent flyers should look elsewhere.

Bottom line: the best sounding option on this list and the one to buy for a dedicated home setup.

Specifications
  • Bluetooth: 5.3 with aptX LL, HD, Adaptive
  • DAC: dedicated audiophile DAC
  • Connections: optical, RCA, 3.5mm
  • Modes: 2-in-1 with dual link
  • Extras: on-device volume control
Best for Audiophiles

If you own aptX HD or Adaptive headphones and want them to sound their best, the DAC and codec support here reward that gear. Feed it a quality source and the difference over budget adapters is easy to hear.

Care & Safety

Keep the unit ventilated in an enclosed cabinet and use the supplied cables to avoid loose optical connections. Since it stays powered, plug it into a surge-protected outlet to shield the DAC electronics.

3
Limited Time

SOOMFON Bluetooth 5.3 Transmitter Receiver for TV with LCD Display

SOOMFON
9.5 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • LCD display shows status and volume at a glance
  • Optical, RCA, and 3.5mm connections
  • Streams to two headphones at once
  • Adjustable volume on the device

Cons

  • Bulkier than pocket travel adapters
  • Menu takes a moment to learn
Detailed Review

The SOOMFON stands out in a sea of identical black boxes thanks to its LCD screen. Being able to see connection status, mode, and volume at a glance removes the guesswork that plagues button-only adapters, which is a real quality-of-life win when it lives behind a TV.

Under the hood it is a capable 3-in-1 with optical, RCA, and 3.5mm ports, so it handles both modern and older televisions. Bluetooth 5.3 keeps the link stable, and it can send to two headphones at once for shared viewing. Volume adjusts right on the unit.

It is chunkier than the travel-focused picks and takes a moment to learn the on-screen menu, but neither matters much for a device that stays put. For a living room where you want clear feedback, it is a smart choice.

Bottom line: the best pick for TV watchers who want an at-a-glance display instead of blinking lights.

Specifications
  • Bluetooth: 5.3
  • Display: LCD status and volume screen
  • Connections: optical, RCA, 3.5mm
  • Modes: 3-in-1 with dual headphone output
  • Best for: home TV and stereo
Best for TV

The screen makes setup obvious: you can confirm you are in the right mode and see which output is active without crawling behind the cabinet. Optical support means it works with the newest TVs that dropped analog jacks.

How to Use

Connect the adapter to your TV using optical or RCA, select transmitter mode on the display, then pair your headphones. Use the on-screen volume readout to set a comfortable level for each connected device.

4
Top Rated

UGREEN Airplane Bluetooth 6.0 Transmitter Receiver for Travel

UGREEN
9.5 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • Bluetooth 6.0 for a stable travel link
  • Compact and light for carry-on bags
  • Pairs two AirPods for shared movies
  • Fits airplane and TV 3.5mm jacks

Cons

  • Aux only, no optical or RCA
  • Better for travel than a home theater
Detailed Review

The UGREEN Airplane 6.0 is engineered for one job above all: giving you your own wireless headphones on a flight. It plugs straight into the seat-back entertainment jack, pairs fast with AirPods or any Bluetooth earbuds, and its latest-generation Bluetooth 6.0 chip keeps the connection steady in a cabin full of interference.

Despite the travel focus, it is a full 2-in-1, so it doubles as a receiver for a car or home stereo when you land. Dual-device pairing lets two passengers watch the same screen together, which is perfect for couples or kids on a long-haul trip.

The trade-off is ports: you get a 3.5mm aux jack and nothing more, so it is not the pick for an optical home theater. As a dedicated travel companion, though, it is hard to beat on size and reliability.

Bottom line: the best choice for frequent flyers who want reliable wireless audio on any plane.

Specifications
  • Bluetooth: 6.0
  • Connection: 3.5mm aux jack
  • Modes: 2-in-1 transmitter and receiver
  • Multipoint: two headphones at once
  • Best for: air travel and portability
Best for Travel

Its compact shell and aux plug are sized for cramped armrest jacks, and the battery lasts through a long-haul flight. Pair two headphones before takeoff so you and a companion can share the same in-flight movie.

Buyer Guide

Choose this if travel is your main use case and you already have a separate home solution. If you need optical or RCA for a TV, step up to the 1Mii or SOOMFON instead.

5

1Mii B03 Bluetooth 5.3 Transmitter Receiver for TV and Home Stereo

1Mii
9.5 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • aptX Low Latency and Adaptive support
  • Optical, RCA, and aux connections
  • Soundbar passthrough keeps the room in sound
  • On-device volume control

Cons

  • Stays plugged in, not a travel unit
  • Interface is functional rather than sleek
Detailed Review

The 1Mii B03 is the value-minded sibling of the B03Pro and one of the most trusted TV adapters around, backed by a huge base of owner reviews. It covers the essentials that matter for a living room: aptX Low Latency for synced dialogue, plus optical, RCA, and 3.5mm ports that fit both new and old televisions.

A standout feature is soundbar passthrough, which lets it feed your headphones while the main speakers keep playing, so the rest of the household is not forced into silence. Dual-link streaming and an on-device volume dial round out a genuinely practical package.

Like the Pro, it is a stay-at-home device rather than a travel gadget, and the interface is more functional than elegant. For a dependable TV setup at a sensible outlay, it is one of the smartest buys here.

Bottom line: the best mainstream home-theater pick, especially if you want soundbar passthrough.

Specifications
  • Bluetooth: 5.3 with aptX LL and Adaptive
  • Connections: optical, RCA, 3.5mm
  • Modes: 2-in-1 with dual link
  • Extras: soundbar passthrough, volume control
  • Best for: home TV and stereo
Best for Home Theater

Soundbar passthrough is the killer feature: watch late at night on headphones without disconnecting your main speakers. Optical support keeps it compatible with modern TVs that skip analog outputs.

Care & Safety

Route the optical cable gently to avoid cracking the fiber, and keep the unit on constant power in a ventilated spot. A surge-protected outlet helps protect it during storms.

6

Esinkin Wireless Bluetooth Audio Receiver for Home Stereo (Best Value)

Esinkin
9.7 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • Extremely affordable and simple to use
  • Massive base of positive owner reviews
  • Just works with any aux or RCA stereo
  • Set-and-forget plug-in design

Cons

  • Receiver only, cannot transmit from a TV
  • No aptX or advanced codecs
Detailed Review

The Esinkin receiver proves you do not need to spend much to go wireless. It does exactly one thing and does it well: it takes a Bluetooth stream from your phone and pipes it into a home stereo or powered speaker through a 3.5mm or RCA input. Its enormous review count reflects just how reliably it handles that single job.

Setup is refreshingly simple. Plug it into your stereo, pair once, and it reconnects automatically after that. Because it runs on constant power there is no battery to charge or replace, which is part of why so many owners leave glowing feedback years later.

The catch is that it only receives. It cannot send TV audio to your headphones, and it lacks aptX, so it is not for video or audiophile listening. As a cheap way to modernize an old stereo, though, nothing here is better value.

Bottom line: the best value pick, perfect if you only need to stream a phone into an existing speaker.

Specifications
  • Type: Bluetooth receiver only
  • Connections: 3.5mm and RCA
  • Power: plug-in, no battery
  • Codecs: standard SBC
  • Best for: budget stereo streaming
Who It's For

Perfect for anyone with a beloved older stereo or bookshelf speakers who just wants to play music from a phone. If you never need to send audio the other direction, you do not need to pay for a 2-in-1.

How to Use

Connect the receiver to your stereo's aux or RCA input, power it on, and pair it from your phone's Bluetooth menu. Once paired it reconnects on its own each time you are in range.

7

Bluetooth 5.3 2-in-1 Aux Adapter for Car and Home Stereo

9.5 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • Very compact for tight car dashboards
  • 2-in-1 transmitter and receiver
  • Bluetooth 5.3 for a steady link
  • Easy 3.5mm aux connection

Cons

  • Aux only, no optical or RCA
  • Basic feature set without aptX
Detailed Review

This compact Bluetooth 5.3 adapter is aimed squarely at older cars that never got wireless audio. Slide it to receiver mode, plug it into the aux port, and your phone streams straight through the car speakers. It is small enough to tuck away and leave connected permanently.

It is also a 2-in-1, so it can transmit as well, feeding a wired speaker or a TV headphone jack when you need it to. Bluetooth 5.3 keeps the connection steady, and the 3.5mm plug fits the most common inputs you are likely to meet on the road or at home.

Do not expect premium extras. There is no optical port and no aptX, so it is best kept to music rather than critical video sync. As a cheap, tidy way to add Bluetooth to an aging car stereo, it hits the mark.

Bottom line: a small, affordable 2-in-1 that shines as a car aux upgrade.

Specifications
  • Bluetooth: 5.3
  • Connection: 3.5mm aux jack
  • Modes: 2-in-1 transmitter and receiver
  • Size: compact and portable
  • Best for: car aux and casual use
Best for Car

Its small footprint fits cramped dashboards and center consoles, and receiver mode turns any aux-equipped car stereo into a Bluetooth system. Leave it plugged in and it becomes a permanent upgrade.

Buyer Guide

Choose this if you mainly want music in an older car and value a low price and small size. For TV and home theater with optical, look at the 1Mii or SOOMFON instead.

8

2-in-1 Bluetooth Transmitter Receiver for TV with Display and TF Card

9.4 /10
DDH Score
DDH Score is a scoring system developed by our editors. The score is from 0 to 10 based on real product ratings and reviews we track. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
Pros & Cons

Pros

  • On-device display for easy status checks
  • RCA and 3.5mm outputs for home stereo
  • TF card slot for standalone playback
  • 2-in-1 transmitter and receiver

Cons

  • Interface feels dated
  • Lacks premium aptX codecs
Detailed Review

This adapter throws in more features than most, headlined by a small display and a TF (microSD) card slot that plays music on its own with no phone required. For a home stereo or TV that you want to modernize cheaply, that flexibility is genuinely useful.

As a 2-in-1 it covers both directions, and the RCA plus 3.5mm outputs let it wire into most living-room gear. The display takes the guesswork out of which mode you are in, and the card slot doubles as a simple standalone player for background music.

The trade-offs are a somewhat dated interface and no premium aptX codecs, so demanding video sync is not its strength. As an inexpensive, do-a-bit-of-everything home hub, though, it offers a lot for the money.

Bottom line: a versatile budget pick for a home stereo, especially if the TF card playback appeals to you.

Specifications
  • Modes: 2-in-1 transmitter and receiver
  • Connections: RCA and 3.5mm
  • Display: on-device status screen
  • Extra: TF card playback slot
  • Best for: home stereo and TV
Who It's For

A good fit for a home stereo owner who wants Bluetooth plus the option to play music from a memory card without tying up a phone. The display makes it approachable for less technical users.

How to Use

Connect via RCA or 3.5mm to your stereo, pick transmitter or receiver on the display, then either pair a device or insert a TF card to play stored tracks directly.

How to Choose the Best Bluetooth Transmitter and Receiver

These adapters look almost identical from the outside, yet the experience of using them varies a lot. The features below are the ones that actually decide whether you will love the device or leave it in a drawer. Work through them in order and you will quickly narrow a crowded field down to two or three real contenders.

Transmitter Mode, Receiver Mode, or Both

1Mii B03 Bluetooth transmitter and receiver with optical, RCA, and aux cables
Photo: 1Mii

The single most important question is which direction you need sound to travel. Transmitter mode, often labeled TX, takes audio out of a source such as a TV, a laptop, or an in-flight entertainment jack and sends it wirelessly to your headphones or earbuds. Receiver mode, labeled RX, does the reverse: it grabs a Bluetooth stream from your phone and feeds it into a wired speaker, a home stereo, or a car aux port.

Most models on this list are true 2-in-1 units that switch between both modes with a small slider, and that is the safest choice for a first purchase. A dedicated receiver like the Esinkin costs less and is perfect if you only ever want to stream from a phone to a stereo, but it cannot send sound the other way. Decide your primary job first, then treat 2-in-1 flexibility as a welcome bonus. It is worth being honest with yourself here, because a single-purpose receiver you use every day beats a do-everything adapter that overwhelms you with modes you never touch.

Bluetooth Version and Audio Codecs

Newer Bluetooth versions, from 5.0 up to the latest 6.0 chips, hold a connection more reliably and reach a bit farther across a room. More important than the version number, though, is codec support. Standard SBC works with everything but adds noticeable delay and softens detail. The aptX family, especially aptX Low Latency and aptX Adaptive, is what you want for watching video, because it keeps lips in sync and preserves more of the original sound.

Keep in mind that both the adapter and your headphones must support the same premium codec for it to work. If your earbuds top out at SBC, a fancy aptX transmitter simply falls back to the basic profile. For that reason we flag codec support clearly on each card so you can match it to gear you already own.

Latency and Lip Sync

Latency is the tiny delay between the picture on your screen and the sound in your ears. Anything above roughly 150 milliseconds becomes distracting during dialogue. Low latency codecs bring that gap down toward 40 milliseconds, which most people cannot perceive at all. If your main goal is quiet late-night TV or movies, treat low latency as a hard requirement rather than a nice extra.

Latency matters far less for music, where a small delay goes unnoticed, so a receiver used only for streaming songs can safely skip premium codecs. The trouble comes with anything visual: gaming, video calls, and movies all expose lag immediately. If you are buying one adapter to cover both jobs, err toward low latency support, since it costs you nothing on the music side while rescuing your video experience.

Ports, Connections, and Dual Streaming

SOOMFON Bluetooth transmitter receiver showing LCD display, optical, RCA, and aux connections
Photo: SOOMFON

Look at the back of the adapter before you buy. A 3.5mm aux jack covers most portable jobs, but connecting to a TV or a full home theater usually calls for optical (Toslink) or RCA outputs. Models like the SOOMFON and the 1Mii B03 include all three, so they adapt to nearly any living room. Dual-device streaming, which lets two people share the same movie on separate headphones, is another feature worth checking if you watch with a partner.

Pass-through matters too. A few transmitters can send audio to your headphones while still feeding a soundbar, so the rest of the household is not forced into silence. For a broader look at wireless audio gear, browse our phone and audio accessories guides.

Range, Stability, and Easy Pairing

Wireless range rarely gets the attention it deserves. Most adapters comfortably cover a single room at around thirty feet, which is plenty for TV viewing from the couch. Problems appear when walls, other 2.4GHz gadgets, or a router sit between the adapter and your headphones. A newer Bluetooth version helps here, since the improved radio holds a connection more gracefully as you move around the room or walk to the kitchen during an ad break.

Ease of pairing matters just as much day to day. The best adapters remember the last device and reconnect the moment they power on, so you are not fumbling through a Bluetooth menu every evening. Physical buttons that are easy to feel in a dark living room, a clear indicator light or display, and fast multipoint pairing all add up to a device you actually enjoy using rather than one you fight with. If you plan to leave the unit connected permanently, prioritize automatic reconnection above almost everything else.

Battery Life Versus Plug-In Power

Esinkin Bluetooth audio receiver plugged into a home stereo system streaming from a phone
Photo: Esinkin

Portable adapters aimed at travel run on an internal battery, typically good for a long-haul flight of ten to twenty hours, and many keep working while charging over USB-C. Home-focused units usually stay plugged in permanently, which means no battery to wear out and no charging to remember. Match the power style to where the device will live: a battery for the airplane and the gym, constant power for the TV cabinet.

ModelModesBest ConnectionIdeal Use
UGREEN Transmitter Receiver2-in-13.5mm auxAll-around everyday use
1Mii B03Pro2-in-1Optical, RCA, auxAudiophile home listening
SOOMFON 3-in-12-in-1Optical, RCA, auxTV with LCD display
UGREEN Airplane 6.02-in-13.5mm auxFlights and travel
Esinkin ReceiverReceiver only3.5mm auxBudget stereo streaming

Common Pitfalls to Avoid

A few recurring mistakes turn a promising adapter into a returned one. The first is buying a transmitter-only or receiver-only device by accident when you actually needed the other direction, which is why we favor clearly labeled 2-in-1 units. The second is ignoring codec matching: an aptX Low Latency adapter does nothing for lip sync if your headphones only speak standard SBC, so check both ends before you spend more for premium latency.

Watch out too for the wave of nearly identical no-name boxes with almost no track record. A low rating or a tiny review count often signals flaky pairing, weak range, or a battery that fades within months. Sticking to models with a solid base of verified owner feedback, like the ones gathered here, is the simplest way to dodge those headaches. Finally, confirm the ports on the back match your gear, because no amount of features helps if the plug will not physically fit your TV or stereo.

Why You Should Trust Us

We build every guide by starting with the products real shoppers actually buy, then filtering hard on verified customer ratings and long-term owner feedback. For this roundup we focused on models with strong review counts and a rating of at least four stars, which weeds out the throwaway no-name units that flood this category.

From there we compared the specifications that matter for wireless audio: Bluetooth version, codec support, latency figures, port selection, and battery behavior. We weigh how each adapter performs for its stated job rather than chasing a single winner, because the right pick for a frequent flyer is rarely the right pick for a home theater. We also read through patterns in owner reviews to surface the quirks that spec sheets hide, from finicky pairing to connections that drop across a room. You can see more of how we evaluate gear across our latest buying guides.

Final Thoughts

If you want one adapter that simply works in most situations, the UGREEN Bluetooth Transmitter Receiver is our best overall choice thanks to its reliable dual-device pairing, low lag, and pocket-friendly design. Shoppers who only need to stream a phone into an existing stereo will be perfectly happy with the Esinkin receiver, our best value pick, which keeps things cheap and simple.

Listeners chasing the cleanest sound should step up to the 1Mii B03Pro, whose built-in DAC and full port array make it the standout for a serious home setup. And for anyone who lives on planes, the UGREEN Airplane 6.0 is the travel companion to beat, with a long battery and dual-headphone support for sharing a movie at 30,000 feet.

If your needs are more specific, the rest of the list has you covered. The SOOMFON is the friendliest option for a TV thanks to its at-a-glance display, the 1Mii B03 adds soundbar passthrough for households that want sound in the room and in their headphones at once, and the compact car adapter turns any aux-equipped dashboard into a Bluetooth system for very little. Match the device to the room it will live in and the source it will serve, and any of these will earn its place. Whichever you choose, browse more electronics deals before you check out to make sure you grab the best price.

Frequently Asked Questions

What is the difference between a bluetooth transmitter and receiver?

A transmitter sends audio out of a non-Bluetooth source, such as a TV or laptop, to your wireless headphones. A receiver pulls a Bluetooth stream from your phone into a wired speaker or stereo. A 2-in-1 bluetooth transmitter and receiver does both and switches modes with a small slider, which is why most of our picks are 2-in-1 units.

Will a bluetooth transmitter and receiver work with my TV?

Almost certainly, as long as you match the ports. Older TVs often use a 3.5mm or RCA output, while newer sets favor optical (Toslink). Pick an adapter that offers the same connector your TV has, set it to transmitter mode, and pair your headphones. Models with low latency codecs keep the dialogue in sync with the picture.

Do I need aptX Low Latency for watching video in 2026?

For video, yes, low latency support makes a real difference. Standard Bluetooth can leave sound trailing the picture by a noticeable margin, which is tiring during dialogue. Just remember that your headphones must also support the same codec, or the adapter will fall back to the basic profile.

Can two people listen at the same time?

Yes, if you choose a model with dual-device streaming, sometimes called dual link. Several picks on this list can pair two sets of headphones at once, which is ideal for couples watching a late movie or two passengers sharing an in-flight screen. Check the product card, since not every adapter supports it.

How do I pick the best bluetooth transmitter and receiver for travel?

Prioritize a built-in battery, compact size, and a 3.5mm plug that fits airplane armrest jacks. A travel-focused unit like the UGREEN Airplane 6.0 pairs quickly with AirPods and lasts through a long-haul flight. For more gadget ideas, see our full library of buying guides.