TRACER Joy II RF Nano USB Black Mouse 80036469 TRAMYS46714 Product Description: Tracer Joy II - mouse - 2.4 GHz - black Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Colour: Black Orientation: Right and left-handed Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 3 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 1200/1600/1800 dpi Features: Scrolling wheel, DPI switch Manufacturer Warranty: 2-year warranty