sell cheap bluetooth hands free car kit

Compliance with Bluetooth Specification Version 1.2;
Support RF Power Class 2;
Wireless connectivity up to 10m;
Operating frequency range in ISM band of 2.402GHz to 2.480GHz;
Clear digital sound quality (DSP function);
LED status indication for different mode of operation;
An answer/end button supports voice activation;
Sensitivity: 80dBm 0.1% BER;
Piconet: point to point;
Security: pairing, encryption, and authentication;
Power consumption: 12V DC from car supply;