Fangrui Product Details 1. M03 Fingerprint Touch Stereo Aux Wireless Adapter Bluetooth 5.2 Audio Receiver Transmitter 2. Receive Mode: Connect The Audio Playback Device Of The Wired Device To Receive The Bluetooth Signal For Wireless Playback 3. Launch Mode: Connect To An Audio Output Device, Emit Bluetooth Signals, And Play Them Over Paired Wireless 4. 3.5mm Interface, Suitable For A Variety Of Equipment On The Market. It Is Convenient And Fast, And Has Bluetooth Function When Plugged In 5. Fix The Problem Of The Tv Not Connecting To The Bluetooth Headset. Enjoy Immersive Movie-watching Experience 6. Car Speakers Instantly Upgrade Bluetooth Calllisten To Musicnavigation, Sound Quality Is Clear 7. Bluetooth 5.2 Chip, Stable And Fast Signal, Listen To The Song Without Delay 8. Specifications: 9. Model: M03 10. Battery Capacity: 150mah 11. Product Size: 76*24*12mm 12. Transmission Distance: 10m 13. Product Function: Bluetooth Audio Transmitterreceiver Two-in-one 14. Charging Mode: Red Light 15. Receiving Mode: When Bluetooth Is Not Connected, The Blue Light Flashes Quickly, And The Blue Light Stays On When The Connection Is Successful. In Tf Card Mode, The Blue Light Flashes Once For 1 Second When Reading The Card, And The Blue Light Stays On When The Pause Is On 16. Transmitting Mode: When Transmitting, The Green Light Flashes Quickly, And The Green Light Stays On When The Transmission Is Successful. In Tf Card Mode, The Green Light Flashes Once For 1 Second When Reading The Card, And The Green Light Stays On When The Pause Is On