Holiday Shipping Details & Extended Holiday Returns 
If you have been struggling for a while to figure out how to play music from the old car that does not have a working antenna, or if you find it troublesome to answer the phone while driving.Trudin freehands calling Bluetooth Car FM Transmitter is great for you to be able to play music from your phones
Bluetooth 5.0 FM transmitter for car play music via TF card(up to 64G), USB flash drive(up to 64G) and Bluetooth, providing you with more choices.QC3.0 fast charging and support calls make your driving safer
Freehands calling can improve the safety performance of driving. After connecting, Answer the call just need to click botton, Double-tap to make the last call.
This car charger adapter support QC 3.0 charge and PD charge.Up to 4X faster than standard chargers.Support 2 mobile phones charging at the same time
Short press the button to adjust the light of a single color or turn off the LED light. Long press the button and the light is colorful
The normal voltage of the car's battery is 11-13V. You can check the voltage of the car with our real-time voltage display function.
Anything lower than 11V or higher than 13V is abnormal voltage
- Bluetooth radio transmitter for car with bluetooth 5.0 chip ,which make a clear and stable calling experience
- When the Bluetooth logo appears on the screen, the Bluetooth link is successful
- Pick up an empty FM frequency which totally have no radio station for connection (like 108 MHz), to avoid interfering.
- Plug C87B into your car cigarette lighter socket
- Link mobile phone Bluetooth
- Turn on FM on your car radio and find a vacant channel.Then adjust the frequency on C87B to match the frequency on your car radio