SuperTooth Crystal 2.1 Handsfree Bluetooth Visor Speakerphone Car Kit with Universal In-Car Smartphone Suction Holder for iPhone 3G/3GS/4/4S/5/5S/5C and Samsung Galaxy S3/S4 - Black Streams the music of your phone / Announces your GPS instructions via Bluetooth A2DP profile Quick fixation on sun visor via metal clip Crystal will provide up to 20 hours of hands-free talk time Multipoint technology, 2 phones can be paired simultaneously Universal suction holder will fit most iPhone and Smartphone devices