Compatibility: Devices with 22.7 cm (9") - 25.4 cm (10") aspect ratios Including these popular devices: iPad Pro 24.6 cm (9.7") iPad Air 2 iPad Air iPad (4th Generation) iPad (3rd Generation) iPad 2 Samsung Galaxy Tab S4 Samsung Galaxy Tab A 24.6 cm (9.7") Samsung Galaxy Tab S 26.7 cm (10.5") Samsung Galaxy Tab S2 24.6 cm (9.7") Samsung Galaxy Tab 4 25.7 cm (10.1") Samsung Galaxy Tab 25.7 cm (10.1") Samsung Galaxy Note 25.7 cm (10.1") (2013) Samsung Galaxy Tab 3 25.7 cm (10.1") Samsung Galaxy Tab 2 25.7 cm (10.1") Laptop style keyboard with comfortable key layout Bluetooth -3.0 connectivity Rugged System requirements: iOS, Android, Windows