MoKo Microsoft Surface Pro 6 / Surface Pro 5 (Pro 2017) / Pro 4 / Pro 3 Type Cover, Lightweight Slim Wireless Bluetooth Keyboard with Two Button Trackpad and Built-in Rechargeable Battery, Gray COMPATIBILITY - Exclusive design for Surface Pro 6 / Surface Pro 5 (Pro 2017) / Pro 4 / Pro 3, with slightly spread out keys for a more familiar and efficient typing experience that feels like a traditional laptop. COMFORTABLE TYPING - Scissor-Switch keyboard and Ergonomic design brings you pleasing typing experience. Each key sustains up to 3 million keypress times. BUILT-IN WITH TRACKPAD - Navigate Windows easily with Windows shortcut keys. The built-in trackpad gives you the touch screen experience, without having to take your hands off the keyboard. WIRELESS CONNECTION - It is easy to pair with your device by BT with a range of up to 33 feet, offering you a comfortable typing experience. RECHARGEABLE BATTERY - This keyboard has built-in 250mAh rechargeable Lithium battery, works over 60 hours after fully charged.