Our factory supply BLUETOOTH CAR KIT B01（bluetooth handsfree +FM MP3 transmiter）The Bluetooth FM transmitter B01 will pair with your mobile phone allowing you to converse with others with the attached microphone and listen on your cars speakers by using the FM transmitter! You can also listen to your music stored in USB drive, SD/MMC card, MP3 player over the FM transmitter function.welcome to order sample to test its quality and functions, Thanks in advance

Full Duplex ,advanced noise reduction and echo cancellation technology
One key to answer/reject/pair mobile phone
Transmission through the vehicle's speakers
Hands free phone communication
auto-play music when call ends
Plays music stored on compatible Bluetooth stereo (A2DP) devices
For use with NAND flash, USB flash disk, SD/MMC Card, MP3, MP4,CD and DVD players, etc
Full frequencies (87.5-108.0MHz) , 206 channels available
Support MP3/WMA file format
Remote controller included
Will memorize and display volume, channel and track information
Quick search track and channel information
Elbow joint structure for convenient use
DC12V and DC 24V power support
Read and write SD/MMC card, could be used as a card reader