UGREEN 2 in 1 Bluetooth Car Adapter Bluetooth 5.1 Stereo Transmitter Receiver Wireless 3.5mm Aux Jack Adapter Car Kit Mic
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- Product information
- Product specifications
- High-concerned chemical: None
- Support Memory Card: No
- Support Apt-x: No
- Support AAC: No
- Model Number: CM523(60300)
- Package: Yes
- High Definition Support: None
- Content: AUDIO
- WIFI Standard: None
- Wireless Type: Bluetooth
- Sound Track: Double
- Interface: 3.5 MM,USB
- Brand Name: UGREEN
- Origin: Mainland China
- Certification: CE,FCC
- Certification: CE, FCC, SRRC, IC, TELEC,BQB
- Product Name: Bluetooth Receiver & Transmitter / Bluetooth Receiver / Bluetooth Transmitter / Bluetooth AUX Adapter / Bluetooth Adapter / Bluetooth Wireless Adpter
- Working mode: Receive mode (RX) & Transmit mode (TX)
- Bluetooth version: Bluetooth 5.1
- Bluetooth protocol (RX): A2DP
- Bluetooth protocol (TX): A2DP,AVRCP,HSP,HFP
- Operating frequency: 2.400GHz-2.4835GHz
- Audio encoding technology: SBC
- Transmission distance: 10m
- SNR (TX): ≥80dB
- SNR (RX): ≥90dB
- Response frequency: 20-20KHz
- Audio sample rate: Supports up to 16bit/44.1kHz
- Power supply requirements: USB-A interface power supply, specification: DC5±0.25V, ≥200mA
- Driver Installation: Plug & Play
- Power on/off operation: Plug in and power on / Unplug and power off
- Function 1: Power isolation function
- Function 2: Force pairing function
- Function 3: Button reconnection function
- Function 4: Factory settings can be restored by pressing the function key 5 times in a row in power-on mode.
- Function 5: Indicator light
- Function 6: RX mode support connect 2 devices at one time
2-IN-1 Bluetooth5.1
Receiver & Transmitter
·Bluetooth 5.1 ·10M Distance ·Handsfree ·Driver free
Bluetooth 5.1 Stable Singal Transmission
Enjoy stereo sound effect without delay, offers a 10m stable connection and supports SBC codec, delivering clear, functional, and enjoyable sound—both for listening and for speaking. (Note: Phone calls only be supported in RX mode, not in TX mode). 
One Key Switch, toggle the button to switch TX or RX mode
A perfect combination of transmitting & receiving
Transmitter Mode
Upgrade a non-Bluetooth device to a Bluetooth transmitter
Receiver Mode
Add Bluetooth functionality to non-Bluetooth device
Add Bluetooth to Your Car
·Handsfree Calling ·Play Music
One-to-Two Pairing
Connect two phones/laptops to use.
PS: Only RX(Receiver mode) can support dual pairing,TX (Transmittermode) can not support connect 2 earphones.
Vast Compatibility
Small and Exquisite
Comfortable hand feeling, stable sound quality
HiFi Performance, High-Quality Stereo
Support SBC audio decoding, this Bluetooth 5.1 Adapter is able to let you enjoy the experience of exquisite high school, high-range, and low-frequency sound effects so that you will not miss all the wonderful sounds.

Plug & Play
You don’t need to install a driver for any compatible device. Both the 3.5mm and USB-A ports need to be connected, then you can directly connect it to your Bluetooth devices, very easy and convenient.
Product Overview
Usage Steps of TX Mode

Usage Steps of RX Mode

Bluetooth Connection
LED Indicator Light Status
Product Specifications
Product Listing
>>>NOTE:
If the product fails to pair or the light does not light up, you can use the following solutions:
1. Check whether the power supply of the USB interface is normal.
It is recommended to connect the 5V/1A power supply.
2. Check the mode of the product, you can switch to the corresponding mode (transmitting mode or receiving mode) through the side button.
3. Check whether the pairing operation is correct, refer to the specific steps in the manual.
4. Please restore the product to factory settings,then try pairing again.
If it still can’t solve it, please consult us at once and we will assist you.
| Color | |
|---|---|
| High-concerned chemical | None |
| Support Memory Card | No |
| Support Apt-x | No |
| Support AAC | No |
| Model Number | CM523(60300) |
| Package | Yes |
| High Definition Support | None |
| Content | AUDIO |
| WIFI Standard | None |
| Wireless Type | Bluetooth |
| Sound Track | Double |
| Interface | 3.5 MM,USB |
| Brand Name | UGREEN |
| Origin | Mainland China |
| Certification | CE, FCC, SRRC, IC, TELEC,BQB |
| Product Name | Bluetooth Receiver & Transmitter / Bluetooth Receiver / Bluetooth Transmitter / Bluetooth AUX Adapter / Bluetooth Adapter / Bluetooth Wireless Adpter |
| Working mode | Receive mode (RX) & Transmit mode (TX) |
| Bluetooth version | Bluetooth 5.1 |
| Bluetooth protocol (RX) | A2DP |
| Bluetooth protocol (TX) | A2DP,AVRCP,HSP,HFP |
| Operating frequency | 2.400GHz-2.4835GHz |
| Audio encoding technology | SBC |
| Transmission distance | 10m |
| SNR (TX) | ≥80dB |
| SNR (RX) | ≥90dB |
| Response frequency | 20-20KHz |
| Audio sample rate | Supports up to 16bit/44.1kHz |
| Power supply requirements | USB-A interface power supply, specification: DC5±0.25V, ≥200mA |
| Driver Installation | Plug & Play |
| Power on/off operation | Plug in and power on / Unplug and power off |
| Function 1 | Power isolation function |
| Function 2 | Force pairing function |
| Function 3 | Button reconnection function |
| Function 4 | Factory settings can be restored by pressing the function key 5 times in a row in power-on mode. |
| Function 5 | Indicator light |
| Function 6 | RX mode support connect 2 devices at one time |

























