FeatureSuits for most of Motorola, Ericsson, Nokia, Panasonic, Siemens cellular phonesAn Innovative Idea : An Integrated Service Between Hand-free and Car Stereo. No Clipped Words, Howling, Echo&Noise It contributes to the highest quality of dialogue than ever, since it combines hand-free kit and car stereo together.Share of power Supply : Vehicle power can supply with cellular phone, as its power is in shortage. Auto-Mute&Switch Detection Control: A circuit-control device is automatically to switch output of stereo to that of cellular phone while an incoming call is identified. Space-Efficient:Placement for loudspeaker&power line of handfree kit will be free of consideration in this matter as car Hi-Fi system dominates it.Automatic charge cellular phone while during operation.