1.2.4GHz wireless mouse optical mouse

2.60g Light weight, easy to take with .

3.DPI changeable, 800/1600/2000 .

4.Kinesiology ergonomics design, fashionable and practical .

5.Smooth hand touch and suitable for both hands .

6.With usb nano receiver, plug and play, easy to use .

7.6 Buttons included : forward/back/left/right/wheel/dpi .

8.5 million times button stroke , long service time .

9.Operation System: Windows98se/ WindowsME/ Windows2000/WindowsXP/ Windows2003/ Mac

10.Interface: USB

11.Work Distance: 10m

12.Powered by 2 AAA batteries (Batteries not included)