Remarks: *Navigate Through Windows with Unprecedented Ease and Speed *Super High Sensitive with 540 DPI (MP-305); 400 CPI (MP-335) *5-buttons browser mouse (4th button : backward page ; 5th button : forward page) *Advanced Optic-Mechanical Technology(MP-305); Advanced Optical Sensing Technology(MP-335) *Rugged Micro-Switch 60gm *Ergonomic Shape *Easy to Install, Just Plug & Play *Super Auto Scroll without Scrollbar / On Line Zoom / Connect to Internet (Special Driver Required)
