Microsoft Bluetooth Ergonomic Mouse Bluetooth- Black

Microsoft Bluetooth Ergonomic Mouse Bluetooth- Black Connection interface :Bluetooth® Low Energy compatible 4.0 / 4.1 / 4.2 / 5.0 Wireless frequency :2.4 GHz frequency range Wireless range :30 feet (10 metres) in open area; up to 15 feet (5 metres) in typical office environment Compatibility :Microsoft Windows 10 / 8.1 Device must support Bluetooth® 4.0 or higher Dimensions : 4.65 x 3.00 x 1.67 in (118.2 x 76.3 x 42.4 mm) Weight: 3.21 oz (91 g) (including batteries) Battery: 2 AAA alkaline battery (included and pre-installed) Battery life: Up to 15 months Colours: Matte Black Warranty: 1-year limited warranty