Tow-layer Housing Mini Optical Mouse

Features
Two-layer Incorporate housing design
Ball shape middle wheel
Retractable and removable wire
Customized colors and logos are accepted
logo could be put into inside case for better protection
Convenient for both travel and home users
Perfect promotional gift item
Various colors cover available
Specification
3D optical mouse w/ball shape middle wheel
Size: 8x6.5X2.0cm
Super sensitivity and high accurate
Resolution:1000dpi
Compatible with Windows 95/98/NT/ME/2000/XP
Simply plug and play
Button life over1,000,000 times