UGREEN 65706 Bluetooth 5.4 Airplane Transmitter

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Product guide

UGREEN 65706 Bluetooth 5.4 Airplane Transmitter

Airplane: UGREEN 65706 is a Bluetooth audio transmitter for sending sound from a 3.5 mm AUX source to wireless headphones. Its advertised dual-headphone pairing and claimed 19-hour playback suit shared listening while travelling, though customer feedback is mixed on connection reliability, sound level and latency.

At a glance

Connects to audio sources through a standard 3.5 mm AUX connection and transmits sound to Bluetooth headphones.
The listing claims pairing with two headphones at once, with separate pairing buttons and status indicators for each.
The manufacturer claims up to 19 hours of playback from a two-hour charge and says the adapter can be used while charging.
A dual 3.5 mm airline adapter is listed in the box contents. The product description also mentions a protective travel pouch, but the explicit contents list does not.

Price

£16.14Save 35%

Reference price: ~~£24.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Dual-headphone pairing is useful for sharing in-flight entertainment without two wired connections.
A claimed 19-hour playback time and use while charging can help on longer journeys.
The listed AUX input offers a way to send audio from sources without Bluetooth.

Cons

It is a transmitter only, so it cannot receive audio from a phone or tablet.
The transmitter has no volume adjustment. Volume must be changed at the headphones or source device.
The listing says it is not suitable for musical instruments or hearing aids.

Technical specifications

21 specifications

Identity
Brand	UGREEN
Model	65706

Connectivity and controls
Wireless connection listed	AUX
Control methods listed	Touch
Bluetooth standard	Bluetooth 5.4
Audio input	3.5mm AUX
Audio output mode	Stereo
Headphone connections claimed	Simultaneous Connection to Two Headphones

Power and battery
Power configuration	Battery Powered
Battery playback claim	A 2-hour charge provides up to 19 hours of continuous audio playback.
Use while charging	You can continue using the adapter while charging.
Battery quantity	1 Lithium Metal batteries required. (included)

Dimensions and installation
Weight listed	60 Grams
Installation type	wired and wireless

Materials and protection
Material listed	Acrylonitrile Butadiene Styrene (ABS), Plastic

Compatibility and limits
Compatible devices listed	Headphone, Speaker, Television
Compatibility options listed	AirPods, non-Bluetooth devices
Audio applications listed	Any audio application
Transmission direction	Bluetooth transmitter only, it doesn't receive audio from phones or tablets.
Volume control	No. Please adjust the volume using your headphones or the connected device.
Listed incompatibilities	No, NOT compatible with musical instruments. Instruments require low-latency 2.4GHz wireless systems to ensure real-time audio transmission. This product is intended for use with standard audio sources and does not support hearing aid either.

What to know before buying

The listing describes 19 hours as a maximum after a two-hour charge, not a guaranteed runtime in every use. Customer feedback also reports mixed connection performance, sound levels and latency, so suitability may vary with the source and headphones.

What’s in the box

UGREEN Bluetooth 5.4 TransmitterIncluded
Dual 3.5 mm adapterIncluded
Protective travel pouchCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Travellers who want to send audio from a plane's 3.5 mm socket to Bluetooth headphones.
Two listeners who want to share audio using separate wireless headphones.
People looking to add Bluetooth headphone output to an AUX-equipped TV or other audio source.

Less suited to

Anyone needing a Bluetooth receiver to play phone or tablet audio through a wired speaker.
Musicians who need low-latency monitoring or users seeking hearing-aid compatibility.
Buyers who need volume controls on the transmitter itself.

UGREEN 65706 Bluetooth 5.4 Airplane Transmitter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 1,284 ratings

5 stars61%61%
4 stars19%19%
3 stars6%6%
2 stars5%5%
1 star9%9%

Customer feedback highlights easy headphone pairing and appreciated battery life, while reports on connectivity, sound level and latency are mixed. Some describe successful use on long-haul flights, while others say the adapter did not work, had low sound or noticeable lag. This matters for travel sharing and video use, where a stable connection and acceptable sync are important. The listing's dual-pairing and battery claims do not resolve those mixed experiences.

Positive themes

Customers describe pairing headphones as simple.
Customers appreciate the battery life.

Mixed feedback

Feedback on whether the adapter connects successfully is mixed.
Sound quality and volume receive mixed reports, including reports of low output.
Latency feedback varies, with some reporting no delay and others noticing lag.

Frequently asked questions

Can it connect to two headphones at once?

The listing claims simultaneous connection to two headphones and describes separate pairing buttons. It does not establish that every headphone combination will pair successfully.

Can it receive Bluetooth audio from a phone?

No. The supplied product information describes it as a transmitter only, not a receiver for phone or tablet audio.

How long does the battery last?

The manufacturer claims up to 19 hours of continuous playback after a two-hour charge. It also says the adapter can be used while charging.

Can I change volume on the transmitter?

No. The listing says to adjust volume using the headphones or connected source device.

Is the airline adapter included?

The explicit box contents list includes a dual 3.5 mm adapter. The product description also mentions a travel pouch, but the explicit contents list does not name one.