Logisys MS6801 3-Button Wireless Notebook Optical Scroll Mouse w/Tilt Wheel & Nano Transceiver (Chrome/Silver) Logisys MS6801 3-Button Wireless Notebook Optical Scroll Mouse w/Tilt Wheel General Features: Chrome and silver design Wireless 2.4 GHz 3-Button design Scroll wheel acts as 3rd button Hyper-Fast Scroll wheel technology Snap-in USB Nano Transceiver Optical tracking technology Switch between 800 dpi and 1600 dpi resolution with just a push of a button Ergonomically designed for comfort