Backlit Keyboard with One Touch Easy-switching between Your PC, Tablet and Smartphone, Auto Adjusting Illumination, Brushed Aluminum Finish and Ultra-thin, Laser-etched Backlit Keys, Hand Proximity Detection, Reliable Bluetooth Connection, Power Management, Logitech PerfectStroke Key System, USB Rechargability, Logitech Incurve Keys, Works with iPhone or iPad, iPad 2, iPad (3rd and 4th Generation), iPad Mini with iOS 4.0 and Above