1.For laptop and desktop computers

2.Adapts dentate roller wheel

3.More comfortable handle feeling

4.Interface: USB

5.Cable length: 1.6m

6.Resolution: 800dpi

7.Keystroke lifespan: over 3 million times

8.Scroll wheel lifespan: over 300,000 circles

9.Colors: pink, green, coral green, blue and white

10.Compatible with Windows 98SE, 2000, XP, Vista, IBM PC and DOS OS

11.Dimensions: 98 x 55 x 27mm