[Dr.maus]Ariel Vertical Laser Engine Wireless Mouse 2400 DPI, 6Buttons, 2.4GHz 

 

Ergonomic Vertical Design for VDT Syndrome Prevention

Four Steps DPI Change (800/1200/1600/2400)

AVAGO chip, laser engine, power saving

Six Buttons (Right/Left Click, Scroll Wheel, DPI Change, Forward/Backward Button)

Micro Nano Receiver

[Specification]
•Model Number : Ariel Wireless •Resolution(DPI) : 800-1200-1600-2400

•Interface : USB 2.0            •Sytem Requirement : Windows 98/ME/2000/XP/7/8
Mac OS : Mac OSx10.4.7, 8 or higher      

•Dimension/Weight : 79x113x62mm/92g(without battery)