The Macally MKMOUSE is an optical USB wired mouse with a 1000 dpi optical sensor three soft-click buttons and scroll wheel for a precise and smooth control. The ergonomic and ambidextrous design offers maximum comfort to both left-handed and right-handed users and helps to increase your productivity. The MKMOUSE works both with Mac and PC and doesn't require any driver. Features: 1000 dpi precision optical sensor for precise and smooth control. 3 buttons and scroll wheel (no driver required) Ergonomic and ambidextrous design for maximum comfort 5 Feet/150 cm USB wired that is plug and play. Ergonomic and ambidextrous. System requirements: USB port; Mac OS X 10.1 and later; Microsoft Windows XP / Vista / 7 / 8 / 10 Package content: USB mouse and user's guide.