Microsoft Wireless Desktop 850 Keyboard & Mouse

Reliable wireless connection
Enjoy the 2.4-gigahertz (GHz) wireless technology, which delivers a reliable connection with up to a 15 foot range, with virtually no interference.

Advanced Encryption Standard (AES) 128-Bit Encryption
This keyboard features Advanced Encryption Standard (AES*) technology, which is designed to help protect your information by encrypting your keystrokes. Each keyboard is permanently paired with its receiver at the factory—no key information is ever shared over the air.

Windows shortcut keys
Quickly access frequently used tools, like the calculator, zoom and audio controls by using shortcut keys.

Battery life indicator
Avoid getting caught with a dead battery. The battery status indicator glows red when the battery is running low.