Main Features:
Off-table use, without the table support
Plug and play, don’t need install any driver
Also can be used on the table as same as optical mouse
100%new brand; Ergonomic Design
Can be operated in various ways, avoiding harm to palm joint or muscle
High accuracy and sensation
Basic parameters:
Resolution: table 1200dpi, trackball 1600dpi
Length: 2m
Interface: PS/2 or USB connector
Compatible with Windows95/98/2000/ME/XP, Windows NT, vista and so on.

Color: Black, White, Cherry & Grain
Product size: 12*6*4cm
Product weight: 150g/PC
Packaging: gift box or blister box, 50pcs/CTN