High quality bluetooth hands free car kit

1) Bluetooth protocol: version 2.0;
2) 2.4 GHz wireless Bluetooth frequency;
3) Bluetooth range: 10meters;
4) Using the hands free Bluetooth profile, it is compatible with audio
gateway (in/out);
5) For all Bluetooth enabled PCs, PDAs, and Cell phones;
6) Designed to be used in the car;
7) Users can talk on the phone while driving mobile phone;
8) Activate voice dial and adjust volume by pressing a button;
9) built-in recharge battery