Microsoft Surface Arc Mouse

Connection: Bluetooth low energy-compatible 4.0/4.1 Exterior Dimensions: 5.17 x 2.17 x 0.56 inches Weight: 2.91 ounces (including 2 AAA alkaline batteries) Mechanical Features: Full-scroll plane, bendable tail Colors: Available in Light Gray, Burgundy, and Cobalt Blue (Black available as the Microsoft Arc Mouse) Operating Systems: Works with Bluetooth Smart, customizable on Windows 10 and Windows 8.1 through the Microsoft Mouse and Keyboard Center Wireless Range: Up to 32 feet (10 meters) Battery Life: Up to nine months