The ultimate plug-and-play experience in handsfree wireless communication! Using Bluetooth technology, KV-6W connects to Bluetooth enabled mobile phone wirelessly. The Bluetooth technology allows you to answer, end, mute, and place a call without picking up phone. KV-6W into cigarette lighter adapter socket when Bluetooth enabled phone is in standby (ready) mode. Leave phone in your pocket, briefcase, or trunk, now you can talk and drive safely. The noise-canceling microphone and secure high quality speaker provide superior sound quality. It exceeds consumers?expectation; it is convenient and safe mobile communication. Built-in Digital Signal Processor (DSP, latest noise & echo canceling technology) to achieve optimum voice and sound quality. Adapted to Bluetooth v 1.2 and compatible to Bluetooth v 1.1 technology. Full duplex secure digital Bluetooth transmission. Built-in retractable charger cable for most Nokia models. Easy to install, true plug-and-play user friendly and reliable.