Specification: 

1) Convenient for right hand or left hand users
2) Radio frequency and optical technology
3) Freely 360-degree use within 1.5m radius
4) Automatically power-saving sleeping function
5) Zoom in / out functions
6) All injection colors available
7) High resolution: 800dpi 2500frames/s
8) Working on any surface except glass
9) Compatible with Win 95 / 98 / 2000 / Me / XP / NT/VISTA

10)Mouse Size: 115x61x30mm

White box packing information: 

SIZE: 47.5*43*27.5  G.W./N.W.: 15.5/14.5KGS/CTN  QTY：100PCS/CTN