The mechanical switches provide a tactile sound feedback, making typing an enjoyable experience. Once users begin typing, the tactile sound click creates a positive response, making typing accurate and efficient. The tiny snap users feel through their fingertips and the click sound heard confirms each keystroke. The integrated hi-speed USB 2.0 hub and audio/microphone jack clear up desk space, and are ideal for USB mobile devices, headsets or microphones. This keyboard is ideal for gamers, professionals and personal use. Windows 7, Vista, XP or 2000