LOGI M280 Wireless Mouse - Black 80000596 910-004287 Product Description: Logitech M280 - mouse - 2.4 GHz - black Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Colour: Black Orientation: Right-handed Dimensions (WxDxH): 6.79 cm x 10.54 cm x 3.84 cm Weight: 91 g Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 3 Movement Resolution: 1000 dpi Features: Scrolling wheel, battery indicator, on/off power switch, Nano wireless receiver, auto sleep mode, Logitech Advanced Optical Tracking Battery: AA type OS Required: Linux Kernel 2.6 or later, Apple MacOS X 10.5 or later, Google Chrome OS, Microsoft Windows Vista / 7 / 8 Works With Chromebook: Yes Manufacturer Warranty: 2-year warranty