Strong, consistent wireless connection from distances up to 10-meters (33-feet) away. With virtually no delays or dropouts, youll work and play with confidence. Tested to 10 meters, the wireless range may vary slightly based on your computing conditions and environment. System Requirements Windows 7, Windows 8, Windows 10 or later Mac OS X 10.8 or later Chrome OS USB port Technical Specifications Connection Type : 2.4 Ghz wireless. Wireless range : 10 m (33 ft). Battery : 1 x AA. Battery life : 1 year. Dimensions Mouse (height x width x depth): 97.7 mm (3.85 in) x 61.5 mm (2.42 in) x 35.2 mm (1.39 in) Mouse Weight: 70.5 g (2.49 oz) with battery Nano receiver (height x width x depth): 6.6 mm (0.24 in) x 14.4 mm (0.57 in) x 18.7 mm (0.74 in) Nano receiver Weight: 2.0 g (0.07 oz) GARANSI RESMI : 1 TAHUN