... , HTPC, laptop,PS3, tablet PC Features •49-keys bluetooth keyboard portfolio for iPhone4/4S Special design for iPhone4/4s•Multiple ... protect your iPhone4/4S•Universal wireless bluetooth radio transmission •Spill-proof silicon keyboard for optimal screen protection•Led power ... system,support google system, 3.Product specification: 120mmx61mmx13mm Mini bluetooth keyboard for i phone 4s with usb cable