Lightweight and portable with a redesigned wheel optimized for great scrolling, sculpted ergonomic design, and dongle free Bluetooth connectivity new Microsoft Surface Mobile Mouse works on virtually any surface thanks to BlueTrack technology. Available in a choice of rich colors, its the perfect mix or match companion for Surface Go and Surface Go Signature Type Cover. Compatibility Device must support Bluetooth 4.0 or higher (Note: Many Apple and Windows 7 devices do not support Bluetooth 4.0)