GoFreeTech S016 Wireless Mouse and Keyboard Combo, designed to be the perfect companion to any home or office computer solution. It connects with a 2.4GHz wireless nano receiver and requires no software with its Plug-and-Play technology. The adjustable 1600DPI mouse has two side mouse buttons and is designed ergonomically with an ambidextrous shape. The keyboard has 104 keys with comfortable chiclet keys and laser engraved keycaps, ensuring maximum comfort as you type. This combo comes with batteries included so that you can start using it out of the box.