1. Insert T60 into the USB interface in the car with an output voltage of 5V. 2. Use the multifunctional M button to set the FM frequency band, then turn on the car radio and adjust the FM frequency band of the radio to pairing the T60. 3. The T60 has an FM frequency automatic memory function, which defauits to the previous FM frequency when powered on. 4. After setting the FM frequency band, find the Bluetooth pairing nameT60 in the Bluetooth settings of your phone and click to pair. Then the music played on the phone will be played on the car's speaker. 5. Adjust volume: When you are playing music, you can turn the music volume on your phone to the maximum and the car volume to the appropriate level. is not recommended to turn the car volume too high, as the higher the car volume, the more severe the noise and distortion will be. Product name: USB Car Bluetooth FM Transmitter Product model: T60 Bluetooth version: V5.3 Working voltage: 5V Effective distance: within 10 meters Audio Output: FM frequency modulation transmission FM frequency range: 87.5MHz-108MHz Default frequency: 95.0MHz Signal to noise ratio: 95db Receiving call: Support Automatic reconnection: support Power supply method: USB power supply (5V) With Microphone:YES Colour:As Shown Material:Plastic Package Contents: 1 * Bluetooth receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.