Light, portable, ergonomic mouse is perfect for precise navigation on the go. No cords or dongle - connects wirelessly to your Surface via Bluetooth. Enhanced wheel is optimized for smooth, natural scrolling. Works on virtually any surface thanks to BlueTrack technology. Elegant, sculpted design - sits comfortably in your hand. Available in a choice of rich colors. Up to 1 year of battery life. Low-profile design fits easily in your bag - the perfect companion for Surface Go and Surface Go Signature Type Cover.