Microsoft Wireless Desktop 2000 Advanced Encryption Standard (AES) 128-Bit Encryption Easily access programs using convenient keyboard shortcut keys. The pillow-textured palm rest gives comfortable support while you type. Experience full-size comfort with a reliable wireless connection. Ambidextrous design that features enhanced side grips to provide comfort and control for either hand. A Tilt Wheel for easy horizontal and vertical scrolling. For Windows-based PC: Windows 10 / 8.1 / 8 / RT1 8.1 / RT 8 / Windows 7 and Windows Vista,For Macintosh PC: Mac OS X v10.7x-10.10