GENIUS ERGO 8800 USB MOUSE

FEATURES:

2.4Ghz technology anti-interference and power saving
Ergonomic design and rubber hand grip for great working comfort
Use two AA battery- battery life up to 36 months (able to use AA or two AA)
Seven button design
Adjustable dpi for 800/1200/1600 dpi
Battery life may vary based on usage and battery conditions.