This keyboard has ergonomic and adjustable tilt which helps to reduce strain on your wrists, so you can go on typing for hours without any discomfort. Keys are robust and durable and have a life cycle of around 8 million keystrokes. It has fashion streamline design with 104 keys and is waterproof with perfect appearance. Comes with cable connector. Multi-language version available. Compatibility with windows 95/98/2000/XP/Vista/7/8.