Microsoft ELG Arc Mouse optical 2 buttons wireless Bluetooth 4.1 LE black

• Ultra slim and lightweight. Battery life: Up to 6 months
• Snaps flat and slips easily into a pocket or bag
• Innovative full scroll plane lets you scroll both vertically. Wireless range: 32.8 feet (10 meters) in an open area, and 16.4 feet (5 meters) in an office environment. Tracking speed: Up to 30 inches (762 millimeters) per second
• Dimensions: 5.17 x 2.17 x 0.56 inches. Weight: 2.91 ounces (including batteries). Battery: 2 AAA alkaline batteries (included). Battery life Up to 6 months
• Compatibility: Microsoft Windows 10 / 8.1 / 8. Must be Bluetooth 4.0 enabled. Wireless frequency 2.4 GHz frequency range

1 Lithium Polymer battery is required. (included)