UGREEN CM872 Bluetooth 6.0 Transmitter Receiver, 2-in-1 AUX Adapter

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Product guide

UGREEN CM872 Bluetooth 6.0 Transmitter Receiver, 2-in-1 AUX Adapter

UGREEN CM872 is a Bluetooth 6.0 AUX adapter with transmitter and receiver modes for audio equipment with a 3.5 mm connection. Its claimed battery life differs by mode, and customer feedback flags latency as a consideration for real-time audio.

At a glance

Supports both Bluetooth transmitter and receiver modes through a 3.5 mm AUX connection.
Listing claims support for connecting to two devices. Confirm the intended pairing mode and device combination before relying on this.
Claimed battery life is 16 hours in transmitter mode and 18 hours in receiver mode after a full charge.
Manufacturer states a 10-metre wireless audio range.

Price

£14.38Save 27%

Reference price: ~~£19.79~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Two operating modes allow audio transfer between Bluetooth devices and equipment with a 3.5 mm AUX connection.
The two mode-specific battery claims offer up to 16 hours in transmit mode and 18 hours in receive mode.

Cons

Customer feedback reports noticeable latency, which may make the adapter unsuitable for audio that needs close real-time synchronisation.

Technical specifications

21 specifications

Identity
Brand	UGREEN
Model	CM872

Connectivity and controls
Wireless connection listed	AUX
Control methods listed	Touch
Bluetooth standard	Bluetooth 6.0
Audio input	3.5mm AUX
Audio output	Bluetooth, Auxiliary (3.5mm)
Audio output mode	Stereo
Number of channels	2
Number of ports	1

Power and battery
Power configuration	Battery Powered
Battery included	Yes
Battery specification	1 Lithium Metal batteries required. (included)
Battery life, transmitter mode	16H
Battery life, receiver mode	18H
Lithium battery energy content	1.1 Watt Hours

Materials and appearance
Material listed	Electronic Components
Outer material	Plastic
Colour	White

Compatibility and range
Compatible devices	Smartphones, tablets, laptops, TVs, car stereos, headphones
Wireless audio range	10-meter

What to know before buying

Listing details to confirm

The listing also claims longer-distance and low-latency transmission, while customer feedback reports lag around a quarter of a second and pairing difficulties. Treat latency and dependable pairing as unconfirmed for your setup. The listing says AirPods are supported but separately excludes AirPods Pro 2, AirPods 4 and AirPods 4 ANC2. It advises against guitar or piano use, and its 18-hour headline should not be read as applying to both modes.

What’s in the box

Included

Who is it for?

A good fit for

People who want to add Bluetooth audio transmission or reception to equipment with a 3.5 mm AUX connection.
Listeners seeking a compact adapter for compatible audio sources, headphones, TVs or car stereos, where low-latency performance is not essential.

Less suited to

Musicians using guitar, piano or mixers for performance, which the listing does not recommend.
Buyers needing reliably synchronised audio for real-time use, given reported latency concerns.
Owners of AirPods Pro 2, AirPods 4 or AirPods 4 ANC2, which the listing identifies as incompatible.

UGREEN CM872 Bluetooth 6.0 Transmitter Receiver, 2-in-1 AUX Adapter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 8,240 ratings

5 stars63%63%
4 stars16%16%
3 stars9%9%
2 stars3%3%
1 star9%9%

Customer feedback highlights perceived good sound quality, value, battery life, versatility and compact size. Connectivity and durability experiences are mixed, with reports of both successful connections and pairing problems, and of both durability and failure after a month. Latency is a specific concern, including reports of roughly a quarter-second lag. That matters most for synchronised or real-time audio, despite the listing's low-latency claim. The reported battery impressions broadly align with the product's stated use as a portable adapter, but feedback does not establish performance in every mode or setup.

Positive themes

Customers report good sound quality, value, battery life, versatility and a compact size.

Negative themes

Customers report noticeable latency, including lag around a quarter of a second and delay that is unsuitable for real-time audio.

Mixed feedback

Connectivity reports vary between successful operation and pairing problems.
Durability impressions vary, including reports of failure after one month.

Frequently asked questions

Does the CM872 transmit and receive Bluetooth audio?

Yes. The listing describes transmitter and receiver modes using a 3.5 mm AUX connection.

How long does the battery last?

The stated figures are 16 hours in transmitter mode and 18 hours in receiver mode after a full charge. They are mode-specific claims, not one guaranteed duration.

Can it be used for guitar or piano?

The listing says it is not recommended for guitars, pianos or performance use and advises using a professional adapter.

Is it compatible with all AirPods?

No. The listing says it works with AirPods but excludes AirPods Pro 2, AirPods 4 and AirPods 4 ANC2.