3.5mm Bluetooth 5.0 Audio Receiver/Transmitter, 2-in-1 Adapter with Aux Jack – Ideal for Car, TV, Headphones & Home Audio – Experience Clear Wireless Sound & Easy Hands-Free Calls

Bluetooth transmission with lossless sound quality. Built-in battery, full charge support 4 hours of continuous use, It also supports charging while using. Car connection, support wireless Bluetooth music playback, hands-free calls. Old speakers, televisions, and wired headphone connections can be upgraded to wireless Bluetooth audio playback.

Receive mode (RX) 1. Please use Micro USB cable to charge before use; 2. Use AUX cable to connect C28 to audio equipment; 3. Change the switch button to position RX; 4. Turn on the device (long press the multi-function button) and then blue The light will flash quickly,indicating that it is ready to pair; 5. Find C28 in the wireless search of the phone, then Choose pairing. Launch mode (TX) 1. Please use Micro USB cable to charge before use; 2. Use AUX cable to connect C28 to audio equipment; 3. Change the switch button to position TX; 4. Turn on the device (long press the multi-function button) and then red The light will flash quickly, indicating that it is ready to pair; 5. Turn on the device to be connected, C28 will automatically connect. After the connection is successful, the wireless indicator will light up in red.