PADLESS MOUSE N-708X. 8-in-One Software Innovative V-Track technology utilizes vertical light which goes deep into the details of all surfaces. Guaranteed smooth and accurate tracking anywhere, even on furry textiles. Throw away your mouse pad! Features: Vertical light ensures perfect precision Short light path consumes lower power Incomparable adaptability on all surfaces Smoothly when using even on soft fabrics Tiny lens hole brings the best precision V-Track mouse works anywhere without a pad 2 side-button: Forward / Backward for quick access DPI button: shift mouse sensitivity between 600_1000_1600 DPI 8-in-One software Consists of value-added functions, such as: Multimedia, Internet, 4-way wheel, etc. Best software for your every need. V-track mouse runs all surfaces, even on furs! System Requirements Windows 2000/XP/2003/Vista/Windows 7