2 In1 USB Wireless Bluetooth-compatible Adapter 50 Transmiter for Computer TV Laptop Speaker Headset Adapter BT50 Receiver Note: TV/projector and other similar devices must have a headphone jack or audio output interface before they can be used Product parameters Material: ABS Colour: Black Bluetooth-Compatible version: V5.0+EDR Bluetooth-Compatible protocol: AD2P Working distance: 10 meters Function: Bluetooth-Compatible audio receiver / Bluetooth-Compatible audio transmitter Transmit/receive mode switch 1.The audio cable is inserted into TRANSMIT for transmission mode, and the indicator light is blue 2.The audio cable is plugged into RECEIVE for receiving mode, and the indicator light is red 3.Plug the computer into the launch mode, no need to plug in the audio cable, just plug in the USB directly Function use 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 transmitter mode, this product has USB+AUX dual input function. 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 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 the phone or tablet, search for the product, 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 Package included 1x USB Bluetooth-Compatible Audio Adapter 1x AUX cable 1x Instruction manual Note: 1.We don't offer retail package,but we will pack it well before shipped out. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you buy. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! _x000D_ _x000D_