1. Ergonomically designed, optical tracking technology, working on many different surfaces and ideal usage for home, office or game.

2. Wired mouse, comfortable touch.

3. Rolling line by line up and down

4. Low-voltage alarming function

5. System support: Windows 2000, XP, Windows ME, 7, 8, Vista, 98, Mac OS, etc.

Spcifications:

Cable Length: 137cm

Item: Wired Vertical Mouse

Resolution: 1600dpi

Button: 4 buttons in default / 1 scroll wheel(middle button)

System requirements Operation System: Windows 98/Me/2000/XP/Vista/7Mac OS X+Linux

Color Of Mouse: Black, Gray, Blue, Purple

Demension Of Mouse: 102*72*85mm

Power Supply: USB Cable

Packing List:

1 x wired vertical mouse