Jensen Bluetooth Hands-Free Kit with Wired Remote Only a 3 wire installation! Pair, Answer, Hang-up, Volume Up & Down, and Reject Calls from the Dash Mounted Remote Control Bluetooth automatically reconnects when you return to the car after Pairing the first time. Full duplex communications guarantees great sound with cutting-edge noise suppression and echo cancellation technology for crisp clear calls every time. Supports voice dialing and voice commands if your phone supports these features Bluetooth Version 2.0 + EDR Technology mean great connections and extended battery life on your phone over Bluetooth Version 1.0 devices. Compatible with iPhone.