1 / 7UGREEN 45492 Bluetooth 5.3 Audio Transmitter and Receiver
The UGREEN 45492 Bluetooth audio transmitter and receiver is a rechargeable 3.5 mm AUX adapter for sending audio to Bluetooth devices or receiving it from a phone. Its listing claims Bluetooth 5.3, aptX HD support in transmitter mode and a visual status display, while customer feedback is positive about sound and ease of use but mixed on connection reliability.
At a glance
- Two operating roles: the listing describes transmitter mode for non-Bluetooth audio sources and receiver mode for car, speaker or stereo systems.
- The display is claimed to show operating mode, paired devices, battery level and volume.
- aptX HD is claimed for transmitter mode, not explicitly for both modes.
- Battery life is not stated as a technical fact in the supplied details, despite the title's 32H playtime claim.
Reference price: €44.53
Price checked: 13 Nov 2026
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Pros and cons
Pros
- Transmitter and receiver modes provide two ways to connect 3.5 mm audio equipment with Bluetooth devices.
- A visual status display is listed, with claimed readouts for mode, pairing, battery and volume.
- Customer feedback reports positive impressions of sound quality, ease of use and latency.
Technical specifications
19 specifications| Brand | UGREEN |
|---|---|
| Model | 45492 |
| Wireless connection listed | AUX |
|---|---|
| Bluetooth standard | Bluetooth 5.3, AptX |
| Audio interface | 3.5mm Audio |
| Control methods listed | Touch |
| Input controls | Buttons |
| Compatible devices | Headphones, TV, speakers, car, smartphone, tablet |
| Power configuration | Battery Powered |
|---|---|
| Rechargeable battery | Yes |
| Battery specification | 1 Lithium Metal batteries required. (included) |
| Battery capacity listing | 300 Milliampere Hour (mAh) |
| Material listed | Acrylonitrile Butadiene Styrene (ABS) |
|---|
| Audio input | 3.5mm AUX |
|---|---|
| Audio output type | Bluetooth |
| Audio output mode | Stereo |
| Number of channels | 1 |
| Special feature | Smart Visual Status Display |
| Audio media type | Standard Audio |
What to know before buying
Listing details to confirm
The listing conflicts or is unclear on several details: the title claims aptX and 32H playtime, a feature description says aptX HD in transmitter mode, and supplied technical fields do not confirm the playtime. The connection field says AUX despite separate Bluetooth and 3.5 mm audio claims, and the control fields list both touch and buttons. Confirm the selected model's codec, battery runtime and controls before buying.
Who is it for?
A good fit for
- People who want to add Bluetooth transmission to a source with a 3.5 mm audio connection.
- People who want to send phone audio to a car, speaker or home stereo through a 3.5 mm input.
- Buyers who value a display for checking pairing and battery status.
Less suited to
- Buyers who need a clearly confirmed 32-hour runtime or codec support in both operating modes.
- People whose equipment lacks a compatible 3.5 mm audio connection.
Customer reviews on Amazon
- 5 stars
70% 70% - 4 stars
15% 15% - 3 stars
5% 5% - 2 stars
4% 4% - 1 star
6% 6%
Customer feedback highlights perceived sound quality, ease of use and low noticeable lag, which may matter when using the adapter for TV audio or everyday listening. Reports on connectivity and reliability are mixed, including both easy pairing and occasional connection problems or random disconnections. These are customer perceptions, not guarantees. They are worth weighing if a stable connection matters more than the listed two-mode flexibility.
Positive themes
- Customers report good sound quality, ease of use and no noticeable lag.
- The feedback describes battery life positively, without establishing a specific runtime.
Mixed feedback
- Connectivity and reliability feedback is mixed, with some reports of connection problems or random disconnections alongside reports of easy pairing.
Frequently asked questions
Can the UGREEN 45492 transmit and receive Bluetooth audio?
The listing describes TX mode for sending audio from a non-Bluetooth source and RX mode for sending phone audio to a car, speaker or stereo system.
Does it support aptX HD?
A feature claim specifies aptX HD in transmitter mode, while the title says aptX. Confirm the codec details for the selected unit, especially if you need support in receiver mode.
Is the advertised 32-hour battery life confirmed?
The title claims 32H playtime, but the supplied technical details do not specify runtime. Treat that figure as an unconfirmed listing claim.
What audio connection does it use?
The listing identifies a 3.5 mm AUX audio interface. The device at the other end also needs a compatible audio input or output for the chosen mode.
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