1. Plug the adapter into the USB for power supply, and enter the launch mode after the blue LED flashes 2. Insert one end of the audio cable into the TRANSMIT port of the adapter, and the other end into the audio output port (OUTPUT) of the TV and other equipment Remarks: In transmit mode, this product has dual input functions of USB+AUX. If it is used on a computer, there is no need to plug in the audio cable, just plug it into the USB. 3. Turn on the Bluetooth headset/audio and other equipment and enter the pairing state 4. After waiting for 10-20 seconds, the automatic connection is successful, and the blue indicator light is always on 5. Open the TV or computer APP music player software, the music can be played through the Bluetooth headset/stereo Receiving mode (suitable for ordinary audio/car/wired headset, etc.) 1. Insert the adapter into the USB for power supply, the red LED flashes and enters the launch mode 2. Insert one end of the audio cable into the RECEIVE port of the adapter and the other end into the audio input interface (INPUT) of the audio device 3. Turn on the Bluetooth function of your phone or tablet, search for: YET-TR6 and click to pair 4. After the pairing is completed, the red LED is always on 5. Open the mobile APP music player software, mobile phone music can be played through the speaker Transmit/receive mode switch: The audio cable is inserted into TRANSMITTER for transmission mode, and the indicator light is blue The audio cable is plugged into RECEIVE for receiving mode, and the indicator light is red Plug in the computer for launch mode, no need to plug in the audio cable, just plug in the USB