TRACER TRAMYS44901 Mouse wireless optica 80036469 Product Description: Tracer Blaster II - mouse - 2.4 GHz - black Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Colour: Black Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 6 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 800/1200/1600 cpi Features: Scrolling wheel, switchable resolution, rubber coating, Nano wireless receiver, 2 side buttons, wireless receiver slot OS Required: Microsoft Windows 98SE/2000/NT/ME/XP/Vista/7