●Wide Compatibility: Compatible with major operating systems on the market: iOS, Android, Windows, Mac OS; Compatible Models: iPad 10.2, iPad 9.7, iPad 10.5/ Air/ Pro, iPad Mini, Galaxy, Android Tablets; iPhone 11 Pro Max XS Max XR X, Google Pixel, Surface, Windows smartphones ●Thin and Lightweight: Approximately 11.2 x 4.7 x 0.07 inches (28.45 x 11.94 x 0.18 cm), only 10.6 oz (300 g) in a bag and can be carried anywhere ●Quiet: Quiet design ensures quiet typing ●Ergonomic Design: QWERTY Layout using hot keys is fully compatible with different operating systems at the same time ●Battery Operated: Equipped with 2 AAA batteries (not included) for 30 days of continuous use