Gembird MUSW-4B-01-W

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: AA battery x 1 pcs (not included)
Power consumption: 1.5 V DC, up to 15 mA
Nano receiver: USB 1.1 compatible, weight 2 g, 6 x 14 x 18 mm
Mouse: dimensions 115*65*30mm, net weight 61.5 g (without batteries)
Operating conditions: -5...45 Celsius degrees, 10-80 % humidity

System requirements
Windows 7/8/10
Free USB port for the receiver