Microsoft Wireless Desktop 850 keyboard Mouse included Office RF Black

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 - designed to help protect your information by encrypting your keystrokes Windows shortcut keys - Quickly access frequently used tools, like the calculator, zoom and audio controls by using shortcut keys