LENOVO Essential USB Mouse 80008028 4Y50R20863 Product Description: Lenovo Essential - mouse - USB - black Device Type: Mouse Connectivity Technology: Wired - USB Colour: Black Orientation: Right and left-handed Dimensions (WxDxH): 6.23 cm x 11.13 cm x 3.337 cm Weight: 70 g Movement Detection Technology: Optical Buttons Qty: 3 Movement Resolution: 1600 dpi Features: Ambidextrous design OS Required: Microsoft Windows 7 / 8 / 8.1 / 10 Works With Chromebook: Yes Manufacturer Warranty: 1-year warranty