1.Comfortable hand touch

2.Cute design

3.Interface: USB

4.Cable length: 1.6m

5.Resolution: 800DPI

6.Keystroke lifespan: over 3 million times

7.Scroll wheel lifespan: over 300,000 circles

8.OS compatible: Windows 98 SE, 2000, XP, Vista, IBM PC, and DOS

9.Dimensions: 90 x 50 x 34mm