bluetooth keyboard case for ipad 1), 76 keys 2), windows/xp/vista/MAC/IPAD ... way: Bluetooth wireless3), Characteristics: Medical Silicone material,power saving,waterproofing,dustproofing,and easytaking4), Function Characteristics: Supporting PC,Mobilephoneand IPAD5), O/S (PC): windows ... matching: Optional13), USB Charging: Yes14), Certificate: FCC,CE,ROHS,SRRPhoto: bluetooth keyboard case for ipad