Microsoft Wireless Keyboard 850

The Wireless Keyboard 850 from Microsoft is a full-sized keyboard with quiet touch keys that connects to your device via a USB 2.0 wireless receiver. Using the 2.4 GHz Wi-Fi band, this keyboard can operate at ranges up to 15'. It features Windows shortcut keys, media keys, a battery status indicator, and AES (Advanced Encryption Standard) technology to help protect your information by encrypting your keystrokes. This keyboard is powered by two replaceable AAA batteries and has a battery life of 15 months, depending on its use.