Introducing the Koolertron 44 Keys Programmable Mechanical Keyboard. This keyboard features Cherry MX Red Switches, providing a responsive and tactile typing experience. The keyboard is also backlit, making it ideal for use in low-light environments. Included with the keyboard is a USB cable for easy connectivity. The keyboard is compatible with Linux, Windows, and Mac OS operating systems. The keyboard is made from Polybutylene Terephthalate, ensuring durability and longevity. The Koolertron 44 Keys Programmable Mechanical Keyboard is perfect for anyone in need of a high-quality keyboard for their computer.