TR6 USB Bluetooth-compatible 5.0+EDR Transmitter Receiver 2 3.5mm AUX Jack Wireless Audio Music Adapter for Car Wired Speaker PC TV Headphone Specification: Bluetooth-compatible version: 5.0+EDR Technology: BT5.0, AVRCP (receiver mode only), A2DP Operating range: up to 10 meters/33 feet (no obstacles) Transmitter mode: blue LED light is on Receiver mode: red LED light is on Product size: 42*25*11mm Net weight: 10g Packing size: 42*25*11mm Gross weight: 10g Instruction for use: A. Transmission mode (suitable for sending computer/TV/radio/MP3 audio to Bluetooth-compatible headset/stereo) 1. Insert 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 the launch 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-compatible 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-compatible headset/stereo B. Receiving mode (applicable to ordinary audio/car/wired headset, etc.) 1. Insert the adapter into the USB for power supply, the red LED flashes and then 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-compatible 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 phone APP music player software, mobile phone music can be played through the speaker C. 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 the computer into the launch mode, no need to plug in the audio cable, just plug in the USB directly Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Bluetooth-compatible Audio Adapter 1 X Audio Cable 1 X Manual