... iPhone4/4S.2.Support mobile operating system:Apple iPhone&iPad 4.0 and later, Google Android1.6 and later,Windows Mobile 6 ... , <5mA4.Standby current, 1.2mA5.Sleepcurrent,<0.7mA System Requirement: Apple iPhone&iPad 4.0 and laterGoogle Android1.6 and laterWindows Mobile ... (with product) Product size:11.7x6x2cm Color box size:13.1x7.6x3.7cm 2012 newest wireless mini bluetooth keyboard for iphone4/4s