Holiday Shipping Details & Extended Holiday Returns 
How to pair a car radio with an FM transmitter:
- After the vehicle starts, plug the device into the car cigarette lighter.
- Plug in the device and it will turn on automatically.
- Turn on the car radio and tune it to a blank FM channel.
- Tune the device to the same channel as the car radio.
How to pair a car radio with an FM transmitter:
- Open the smart device Bluetooth search "BC82" Bluetooth name, and click connect.
- After successful connection, you can play music, navigate or make/receive calls.
How to protect the voltage in the car:
- Support output over voltage protection, short circuit protection, over current protection, over temperature protection.
- Voltage real-time monitoring display.
FAQ:
1.There is silent noise but no sound.
Solutions:
A.Please check if the player is in pause.
B.Please check that the volume is not set at zero or very low.
2.The emission effect is not good, there is noise.
Solutions:
A.Make sure that there is no strong signal radio station in the transmitting frequency, and tune to the frequency without radio station to get better sound effect when using.
3. Car audio does not receive sound.
Solutions:
A.Confirm that the product launch is turned on.
B.Whether the transmitting frequency is the same as the receiving frequency.