|Type of Device
||Optical Wheel Mouse
||Windows XP/Me/2000/98, Mac OS
Personal choice of ocean blue, ruby red, or metallic
Enhanced precision with optical engine, eliminates moving parts and dust accumulation
3D Magic-Roller feature for fast browsing up/down, left/right on the Internet and in Windows documents
Original patent owner of Magic-Roller technology - U.S. Patent No. 5,530,455.
Ergonomic design to comfort your finger and wrist