Key Specification:For both left-handed or right-handed useCompact design for portabilityWired USB 2.0 connectionComfortable buttons and scroll wheel1000 DPI optical engine for smooth and accurate cursor controlNoiseless mouse clicks for more quiet working environmentSystem supported: Windows 2000/XP/Vista/ Windows 7Brand:HavitTracking Method:OpticalDPI:1000Interface:USB 2.0Hand Orientation:Both HandedColor:Black&Gray, BlackApplication:Desktop, LaptopCompatibility:Windows 2000/XP/Vista/ Windows 7Havit Wired Mouse HV-MS753
