Logitech G5 USB Laser Gaming Mouse w/Adjustable Weight Cartridge Logitech G5 USB Laser Gaming Mouse General Features: Full speed USB interface - up to 6.5-foot cable length (approximate) 2000 dpi Laser Engine Right-handed comfort grip Certified for Windows Vista Polytetrafluoroethylene feet Controls: Tilt wheel: Push wheel to either side to scroll horizontally + in game dpi increase #NAME?