1.The BT Car Kit belongs to Bluetooth Hands-Free series,appling to cars.It clips on any vehicles rearview mirror and enjoys matchless freedom on the move.

2.Bluetooth specification:2.0

3.DSP technology,Full duplex,noise and echo suppression

4.Built-in microphone and lound speaker

5.Voice dial,Redial Final Number

6.Super bright LED caller ID display

7.It can adjust 7 frequency that will transmit the signal into car radio(Keep away from some of broadcasting starion's frequency to keep the sound quality clear)

8.It is deft independent wireless earphone(make sure your secrets)

9.Excellent creation of parking sensor ensure your safe driving(LED display the distance of 4 ultrasonic sensors from back of the obstacles,and warning system give beepsounds to alert)