Perfect for precise navigation anytime Surface Mobile Mouse features an enhanced wheel for smooth natural scrolling and an elegant sculpted design for hours of comfortable use. It connects wirelessly to your Surface via Bluetooth and delivers up to one year of battery life. Surface Mobile Mouse features a wheel for great scrolling performance. And its smooth sculpted shape fits comfortably in your hand for hours of work. Surface Mobile Mouse pairs easily with your Surface device via wireless Bluetooth connection no cords or dongle required for a clean clutter-free workspace. Plus it works on a variety of surfaces1 thanks to built-in BlueTrack technology.