TRACER TRAMYS44214 Mouse TRACER Flipper 80036469 Product Description: Tracer Flipper - mouse - 2.4 GHz Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 6 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 1000/1600 dpi Features: Blue LED backlighting, Nano wireless receiver, scrolling wheel, rubber coating Battery: AAA type OS Required: Microsoft Windows 2000/XP/Vista/7/8 Manufacturer Warranty: 2-year warranty