Logitech Wireless Combo MK360 &ndash; Includes Keyboard with 12 Programmable Keys and Wireless Mouse, Compact Package Perfect for Travel, 3-Year Battery Life 20% SMALLER  The K360 wireless keyboard is 20% smaller than a full-size keyboard but provides all the functionality of its larger counterpart. Automate your frequent navigation paths using the programmable hotkeys so you can access your favorite programs with the touch of a button 3-YEAR BATTERY LIFE  Work for longer with the K360s extensive battery life, which lets you work for up to 3 years on 2 AA batteries (included in the package) INCLUDED PRECISION MOUSE  Forget using your touchpadthe MK360 comes with an included precision mouse NO-LAG CONNECTION  The built-in 2.4GHz signal creates a disruption-free connection to your computer, meaning you can work without delays when youre typing 128-BIT AES ENCRYPTION  Your keystrokes are protected using 128-bit encryption, so your information remains secure when working wirelessly Assembled Product Dimensions (L x W x H) :18.10 x 6.40 x 1.90 Inches Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or later Chrome OS USB port Internet connection (for optional software download)