rearmirror with bluetooth

 Compliance with Bluetooth Specification    Version 2.0;          * Support Hands free Profiles and RF transmit to    car radio;          * Listen to music from your mobile and respond to    phone calls-Ability to switch between music and     calls made to you Bluetooth phone;           * Wirelessly connects to most Bluetooth mobile    phone;           * Use Dsp technology,Full duplex dispose,Reduce    noise and echo suppression with talking;          *   Attached USB faucet to software framework    update;          *   Attached wireless headset use RF transmit    technology;          *   Built-in Microphone to speaking and loudspeaker     to listening;          *   2.3 LCM screen  display incoming call Idand caller     name,The longest ID can display for 12bit,  Two    LED status indication for  different mode    of operation          * Bluetooth connectivity up to 10M.  Wireless headset    connectivity up to 7m;          * Support Rechargeable Li-ion Battery with built in    charging circuitry;          * Buletooth Operating frequency range in ISM band of   2.4GHz to 2.48GHz;          * Three Buttons Control-left to record incoming voice     middle-to hand on or hand up and Voice dial,re-dial    last  dial-up;           * Two switch-top is power switch,underside is switch    with listening by mainframe or car radio;          * One touch switch-control to switch four FM frequency    with car radio;          * RF transmit to radio Frequency:    FM88.1HZ,88.5HZ,88.7HZ,89.4HZ;          * Wireless headset frequency:FM110.025HZ;          * Record time:35sec; * Connection Point-to-point ;  * Talk time: Up to 12 hr;          * Headset Talk time:Up to 6 hr; * Standby time: Up to 168 hr; * Battery:  Li-ion  1600mAh;          * Battery charger: 12V DC using in car cigar lighter; * Charging time: 5h;