* 3D optical mouse with scroll wheel

* Resolution: 800 DPI

* Intelligent Internet functions

* Zoom in and zoom out functions

* PS/2USB or U+P combo port for options

* Buttons lifecycle over 1. 5 mil. Cycles

* Working on any surface , except surface of glass and mirror

* Compatible with Win 98/2000/XP/VISTA

* Specially design for notebook users

* Dimension: 110(L)X 62(W)X 36(H) mm

* Weight: 101g(PS/2)/114g(U+P)