Comfortable. Precise. Affordable. This full-size mouse provides comfortable, precise navigation and has an ambidextrous design thats perfect for use in either hand. It has an amazing 2-year average battery life and customizable buttons to give you access to the Windows features you use most. Full-size mouse Larger mouse size is designed for greater comfort and more precise navigation. Ambidextrous mouse design Mouse is designed to fit comfortably in your right or left hand. Customizable buttons Customizable buttons give you access to the Windows features you use most. 2-year average battery life Low power consumption provides 2-year average battery life based on normal usage. Dimensions Length: 4.46\" / 113.3mm Width: 2.49\" / 63.12mm Computer Requires a PC that meets the requirements and installed operating system below: Windows 10 / 8 / 7, Mac OS X v10.4 – 10.7 Other information 2 AA Alkaline Batteries required (included) Connectivity USB Hard Drive space Customizable Windows features require Mouse and Keyboard Center app 150 MB Compatibility Microsoft: Win 10 64 bit Win 10 32 bit Win 8.1 32 bit Win 8.1 64 bit Win 8 32 bit Win 8 64 bit Win 7 32 bit Win 7 64 bit Mac OS X: Mac OS 10.10 Mac OS 10.9