Dell Pro Keyboard and Mouse KM5221W Wireless, Batteries included, US, Black

Dell Pro Wireless Keyboard and Mouse - KM5221W The Dell Pro Wireless Keyboard and Mouse is built to last with one of the industry’s leading battery lives at up to 36 monthsi. Rest assured that this keyboard and mouse combo has been rigorously tested to ensure seamless connection to your Dell PC. The keyboard offers 128-bit AES (Advanced Encryption Standard) encryption protecting your data transmission across your PCs and devices, providing you with a secure connection while typing.