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 button3-YEAR BATTERY LIFE - Work for longer with the K360's 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 touchpad-the MK360 comes with an included precision mouseNO-LAG CONNECTION - The built-in 2.4GHz signal creates a disruption-free connection to your computer, meaning you can work without delays when you're typing128-BIT AES ENCRYPTION - Your keystrokes are protected using 128-bit encryption, so your information remains secure when working wirelesslyAssembled Product Dimensions (L x W x H) :18.10 x 6.40 x 1.90 Inches