· This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com· 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 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 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 you’re typing