... interface to ensure that mobile phone charging, USB data transmission as well as headphones and other functions of normal use ... touch operation, as well as infrared device. Our Main Material Case:* Metal , Aluminum, Kirsite* Hard PC & Soft PC* TPU* Silicon* ... Iphone4, For Samsung, For Blackberry, For Ipad2.Parts We Have:Case, Charge, Data Line, Earphone, Protective Screen Film, Bluetooth Keyboard, ...