Specification:
Wired optical LASER Mouse or standard mouse  ,transparent led light available
port :ps/2 or USB ,
800 dpi  sensor  or 1600 dpi laser sensor available ,
 3 buttons
Cable :1.5meters
button L/T:10,000,000 times life time
mouse size :
compatible with WIN98/2000/XP/2003, ME,MAC etc.