Connection type    Wireless
Connection interface    USB
Amount of buttons    5 + scroll wheel
Sensor type    Optical
Resolution    800/1200/1600 dpi
Power supply    2 × AAA
Average duration of work without recharging / changing batteries    3–6 months
Operation frequency    2.4 GHz
Color    White
Operation range    10 m
Product size (without package)    3.5 x 10.0 x 6.0 cm
Individual package weight    0.11 kg
Individual package size    6.0 x 19.3 x 11.6 cm
ROHS / CE    No
System requirements for PC    Windows 2000/XP/Vista/7/8, Mac OS X10