The BT car kit belongs to Bluetooth handsfree series, applying to cars. It clips on any vehicles rear view mirror and enjoys matchless freedom on the move
Bluetooth specification: 2.0
DSP technology, full duplex, noise and echo suppression
Built-in microphone and loud speaker
Voice dial, redial final number
Super bright LED caller ID display
It can adjust seven frequency that will transmit the signal into car radio (keeps away from some of broadcasting starions frequency to keep the sound quality clear)