Compatible with Microsoft Surface Pro 3/4/5/6 Tablet PC, supports Windows system, ergonomic design, simple and compact layout and quiet typing function, the surface pro keyboard could make your hands feel more comfortable when typing, reducing the burden of your hands, also allows to easily transport and pack backpack, messenger bag or sleeve. | Bluetooth technology provides a cable-free connection and allows you to keep your desk clear from cable clutter, simplify your life, provides high speed connection and signal in distance up to 33ft/10m | With a responsive touchpad, conveniently using like a mouse, navigate and control your tablet precisely, gives you the touch screen experience | Built-in 350mAh rechargeable lithium battery provides about 100 hours of effective usage time, less than 4-5 hours charging time | Built-in two-button trackpad gives you the touch screen experience without take your hands off the keyboard.