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 open area, and 16.4 feet (5 meters) in office environment

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