... , can be directly inserted on the car cigarette lighter. 2.Double-echo/noisy-cancelling technique . Car-kit Bluetooth Speaker SX-922ASPECIFICATION: 1.Correspond ... in answering, re-dialing or ending, etc2.Hands-free function is the liberation of the hands completely, making your driving much safer.3 ... phone, PDA and computer equipment which with the Bluetooth function. Car-kit Bluetooth Speaker