MoKo Microsoft Surface Pro 6 / Surface Pro 5 (Pro 2017) / Pro 4 / Pro 3 Type Cover, Ultra-Slim Wireless Bluetooth Keyboard with Trackpad, 7-Color LED Backlit, Built-in Rechargeable Battery, Gray COMPATIBILITY - Designed for Microsoft Surface Pro 6 / Surface Pro 5 (Pro 2017) / Pro 4 / Pro 3 (Not fit for surface 3). with slightly spread out keys for a more familiar and efficient typing experience that feels like a traditional laptop. The keyboard is sturdy with enhanced magnetic stability along the fold so you can adjust it to the right angle and work on your lap, on the plane, or at your desk. 7-COLOR BACKLIT - Special 7 colors LED backlights, each color has 2 levels of brightness. Ideal for typing freely even in low light conditions or at night. RESPONSIVE TRACKPAD - Built-in with a responsive trackpad, conveniently using like a mouse, navigate and control your tablet precisely, gives you the touch screen experience, without having to take your hands off the keyboard. WORKS WITH Wireless - It is easy to pair with your device by Wireless with a range of up to 33 feet, offering you a comfortable typing experience. RECHARGEABLE BATTERY - This keyboard has built-in 750mAh rechargeable Lithium battery, 125 hours continuous use with backlit off(5 hours with backlit on).