We are offering to sell Vertical Laser Mouse.
Features:
1.Using laser sense technology, 20 times higher effective sensing than common optical mouses
Could apply for almost surfaces, including glass surface
2.400/800/1600dpi transferable resolution
3.Human engineering design, and without ball and mouse pad
4.Operating System: window/98/nt/2000/me/xp
5.Interface: USB and PS2
6.Power consumption: 20-40MA(DC5V)
Packing size:47.5*27*35cm(20pcs)
Unit