Gembird Ergonomic 6-button wireless optical mouse, black

Wireless technology: 2.4 GHz, GFSK RF modulation, 80 channels, 32 bit device ID
Operating distance: up to 10 m
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 pc (not included)
Power consumption: 1.5 V DC, up to 15 mA
Ambidextrous: No, for right-handed use only
Nano receiver: USB 1.1 compatible, weight 2 g, 6 x 14 x 18 mm
Mouse: dimension125 mm x 65 mm x 80 mm, net weight 84 g (without batteries)
Operating conditions: -5...45 Celsius degrees, 10-80% humidity