The Microsoft P7K-00001 Wireless Keyboard and Mouse 2000 is great for your businesses, letting you perform your tasks with ease. It includes an Advanced Encryption Standard (AES) that encrypts what you type to secure your company"s data. It also features an ergonomic design which lets you type for hours without experiencing discomfort. The optical mouse provides smooth mouse tracking and fast response for a better work experience. The Microsoft P7K-00001 Wireless Keyboard and Mouse 2000 supports Windows Vista, Windows XP and Windows 7, making it compatible with almost any PC.