Gembird Wireless Mouse Black/Silver

4-button wireless optical mouse with USB Nano-receiver CPI button for quick resolution changes (800 - 1600 DPI) Wireless technology: 2.4 GHz, GFSK RF modulation, 80 channels, 32 bit device ID Operating distance: up to 10 m Power class: RF power 3 dBm (max. EIRP) Internal antenna type; antenna gain in dBi (typical): 2 dBi ±1 dBi Optical resolution: 800, 1200, 1600 DPI selectable by the button Power supply: AAA battery x 2 pcs (not included) Power consumption: 3 V DC, up to 20 mA Nano receiver: USB 1.1 compatible, weight 2 g, 6 x 14 x 18 mm Mouse: dimensions 98 x 65 x 38 mm, net weight 53 g (without batteries) Operating conditions: -5...45 Celsius degrees, 10-80 % humidity System requirements Windows 7/8/10 Free USB port for the receiver