The Microsoft M7J-00001 Wireless Keyboard and Mouse 2000 Combo features Advanced Encryption Standard (AES), which can help protect your personal and business information by encrypting what you type. Enjoy the classically designed keyboard, with a pillow-textured palm rest for support and comfort. This Microsoft M7J-00001 Wireless Keyboard and Mouse 2000 Combo is completed with a wireless, full-size mouse that features enhanced side grips, four-way scrolling and Blue Track technology. Not only is this keyboard and mice secure, comfortable and convenient – it’s simple to use—just plug in the transceivers and you’re ready to go!