Zyler Bluetooth 5.4 2-in-1 AUX Transmitter and Receiver

The Zyler Bluetooth 5.4 transmitter and receiver is a battery-powered AUX adapter for sending audio from wired sources to Bluetooth headphones or receiving Bluetooth audio through a stereo input. Its two modes and claimed dual connections suit shared listening and travel, while the listing gives no battery runtime.

At a glance

Switch between transmitter and receiver modes using a button, according to the listing.
In TX mode, the listing claims connection to two Bluetooth headphones at once for shared listening.
The 3.5mm AUX input is intended for sources such as airplane entertainment systems, TVs and car stereos.
A built-in microphone and hands-free calling are listed for phone use.

Price

$33.29Save 15%

Reference price: ~~$39.17~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Two operating modes cover sending wired-source audio to Bluetooth headphones and receiving phone audio for a wired stereo.
The claimed two-headphone TX connection can suit two listeners sharing an airplane or TV audio source.
The listing includes a rechargeable battery and an inflight adapter.

Technical specifications

21 specifications

Identity
Brand	Zyler

Connectivity and controls
Wireless connection listed	AUX, Bluetooth
Bluetooth version	Bluetooth 5.4
Modes	Transmitter or receiver
Connections in TX mode	Supports connecting two Bluetooth headphones at the same time
Connections in RX mode	Supports connecting two mobile phones
Listed range	33 Feet Bluetooth Connection Range
Hardware interface	3.5mm Audio, Bluetooth, USB Type C
Input	3.5mm AUX
Output mode	Stereo
Audio output types	Headphone, Speaker

Power and battery
Power configuration	Battery Powered
Rechargeable battery included	Yes
Battery specification	1 Lithium Ion batteries required. (included)
Battery energy	2 Watt Hours

Dimensions and installation
Weight listed	0.05 Grams
Installation type	wired

Materials and finish
Material listed	Acrylonitrile Butadiene Styrene (ABS)
Colour	Black

Features
Listed features	Built-In Microphone, Hands-Free Calls, Low Latency, Noise Cancellation
Remote included	No

What to know before buying

Listing details to confirm

The listing gives no battery runtime. It also lists an item weight of 0.05 Grams, which is unusually low, so treat that weight as unconfirmed rather than a dependable portability measure. The title and feature text claim Bluetooth 5.4, while the technical details list only Bluetooth without a version. The dual-connection claim is mode-specific: TX is described for two headphones and RX for two phones, not simultaneous viewing or listening across both modes.

Who is it for?

A good fit for

Travellers who want to connect Bluetooth headphones to an airplane entertainment system with a 3.5mm AUX output.
Households wanting to send TV audio to two Bluetooth headphones, subject to device pairing compatibility.
Drivers or stereo owners wanting to route phone audio to an AUX-equipped system in receiver mode.

Less suited to

Buyers who need a confirmed battery runtime or a verified weight before choosing a travel adapter.
Setups without a compatible 3.5mm AUX connection at the audio source or receiving stereo.

Zyler Bluetooth 5.4 2-in-1 AUX Transmitter and Receiver · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 7 ratings

5 stars85%85%
4 stars15%15%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied aggregate ratings are positive overall, with ratings in the top two star categories. The sample is small and contains no written feedback, so it cannot establish specific strengths or drawbacks. For this AUX adapter, the ratings alone do not confirm pairing, dual-headphone performance or battery life.

Frequently asked questions

Can it connect two headphones at once?

The listing says transmitter mode supports two Bluetooth headphones at the same time. It describes receiver mode separately as connecting two mobile phones.

Can it be used with airplane entertainment?

The product is listed for airplane entertainment systems and takes 3.5mm AUX audio. Confirm that the aircraft's audio socket matches the adapter's input.

Does the listing state how long the battery lasts?

No battery runtime is supplied. The listing identifies a rechargeable battery but does not state operating hours.

Does it support hands-free calls?

The listing claims a built-in microphone and hands-free calls. It does not provide further call-performance details.