Low cost fitted or plug in DSP Bluetooth car kit. This system uses intelligent signal processing to make your conversation much clearer Installation is simple you can either just plug it in to the accessory socket or hard wire via cable included. It also comes complete with audio mute cable to mute car stereo during calls (Only is car stereo supports audio mute). Features Easy to fit Supperb Audio Quality Echo and Noise Cancelling Bluetooth V2 Headset or Handsfree Profile. Memorize upto 4 Mobile Phones Bluetooth Range 10m Built in DSP 12 24 volts Contents Mai Unit Power Cable ( For hard wire fitting ) Mute Cable Bluetooth Lead ?li Accessory Power Cable Mobile Phone Holder Instructions