Holiday Shipping Details & Extended Holiday Returns 
1. Plug FM transmitter into your car cigarette lighter socket. LED display light on, this bluetooth & fm transmitters will show:13.5-bf-106.0
2. Bluetooth Connect:
A. after LED display bf, means it is ready to pair with a voice prompt: waiting for connection.
B. on your smart phone, search available devices, select C87B and pair with it.
3. Search and choose an unused frequency online, then set your car radio at this frequency.
4. Press and hold the answer key until the frequency display flickering, rotate and adjust the fm transmitting frequency to be same as your car radio.
1.Play music on your phone
After you adjust the FM transmitter frequency same as your car radio frequency, you can start playing on your smart phone, the music will streaming by Bluetooth A2DP function, from your phone via FM transmitting to car radio, and come out from car stereo system.
2.Play music from USB flash drive
Plug USB flash drive into the right USB port, C87B will start to recognize and play automatically.
3. Play music from TF card
Insert TF card to TF card slot, C87B will start to recognize it and start playing automatically.
( Note: Micro SD < = 64G )
Bluetooth fm transmitter flash drive built-in microphone, easily to answer or end a call with one key. No need to pick up and hold your phone. Make your driving process safer.
The mp3 player Bluetooth & fm transmitters can fast charge 3 devices simultaneously via the PD port /QC3.0 port/USB port. The speed of QC3.0 is more than 2 times faster than ordinary charging.
The car Bluetooth adapter aux input with 7 colors led display. Short press the key to switch the light color and off the light, long press the key to auotmatically change the light.
The wireless Bluetooth FM transmitter for car can show the car's voltage for 3 seconds after power-on, this make you monitor the car battery condition easily.
