The Adesso EasyTouch 670UB Multi-OS Mechanical Keyboard with CoPilot AI Hotkey features a brown mechanical switch provides a tactile and clicky feedback where you feel and hear clearly when a key has been pressed. These switches are also built to last with a lifespan of 50 million keystroke lifecycle. The CoPilot AI hotkey on your keyboard provides instant access to an advanced AI assistant designed to assist you in various tasks. Simply press the designated hotkey, and CoPilot AI will be ready to generate code, provide creative suggestions, or assist you with language-related tasks. It's your quick and efficient way to harness the power of AI right at your fingertips. The 2X-sized, large print keys provide excellent contrast and greater appeal than traditional keyboards with the hard-to-read letters. Our keyboard's multi-OS layout feature is designed for versatility, catering to users across various operating systems.