Microsoft Keyboard/Mouse PY9-00002 Desktop 850 Combo Wireless Black with AES Retail

Advanced Encryption Standard (AES), which protects your personal and business information by encoding your keystrokes 2.4GHz wireless delivers a reliable connection with up to a 15-foot range Optical Technology 1000 dpi provides responsive cursor control Snap-in transceiver stows conveniently under the mouse LED optical tracking technology Windows shortcut keys provide easy access to commonly used functions Media keys for music and video control