Bluetooth 5.0 Wireless Technology, Wireless Range up to 33'', Microsoft BlueTrack Sensor, Conforms to Your Hand, Snaps Up for Use, Snaps Down for Travel, Compatible with Windows 10 and 8.1. Slim light and ready to travel the lilac Arc Mouse from Microsoft features left and right click buttons and a unique design that can conform to your hand. Simply snap it into its curved position to power it up then snap again to flatten it and power down. The Arc Mouse is fully compatible with Windows 10 and 8.1 and connects via Bluetooth 5.0 while maintaining compatibility with Bluetooth 4.2 4.1 and 4.0. It has a wireless range of up to 33' or up to 16' in office environments. It also features numerous refinements including the ability to scroll both vertically and horizontally. It uses Microsoft BlueTrack technology with a dynamically adaptable imaging rate of up to 4000 fps an X-Y resolution of 1000 points per inch and a tracking speed of up to 30 inches per second. Powered by two included AAA batteries that last for up to six months you can simply snap it into its curved position to power it up then snap again to flatten and power down.