V-Track 2.4G Wireless Mouse G9-730FX 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 Specifications: No lag No cursor vibration 15 m operating range Size freely capture any part of your screen 3 report rate 125-250-500 Hz 5 adjustable 800-1000-1200-1600-2000 DPI System Requirements Windows 2000/XP/2003 Vista/Windows 7