FeaturesWindows shortcut keysAdvanced Encryption Standard (AES) 128-Bit EncryptionReliable Wireless ConnectionMedia keys for music and video controlLonger Battery LifeReliable value and security. Ready when you are.Look no further than the Microsoft 850 Standard RF Wireless QWERTY Keyboard for a quality keyboard that offers great value and the features you need. Enjoy the freedom and convenience of wireless technology. Quiet touch keys let you focus on the task at hand. And this keyboard also features Advanced Encryption Standard (AES*) technology, which is designed to help protect your information by encrypting your keystrokes.