bluetoothe car kit B709:
1) Bluetooth protocol: version 1.2
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
8) Simply plug the car kit into the car cigarette lighter and connect to the
mobile phone
9) Activate voice dial and adjust volume by pressing a button