Dell Pro Wireless Keyboard and Mouse - KM5221W - US International (QWERTY) Combining a discreetly powerful keyboard with an expertly designed mouse, the Dell Pro Wireless Keyboard and Mouse combo enhances your productivity. Powered by one of the industry's leading battery lives of up to 36 months, this combo is built to last. Enhance your all-day productivity with this RF 2.4GHz wireless keyboard and mouse combo. With 12 programmable keys and 1 programmable scroll wheel click, you can gain quick access to your frequently used applications, folders and functions. The full-sized wireless keyboard comes with a dedicated numeric pad, function keys, and programmed pre-sets that can enhance your efficiency. Easily navigate across monitors of varying resolutions at home or in the office. Dell Peripheral Manager (DPM) software enables you to manage your input devices and adjust to your preferred preset DPIs at 1000, 1600, 2400, or 4000. With DPM, you can customize shortcut keys and buttons, pair devices, adjust DPI, check battery and connectivity status, and update to the latest firmware.