The Adesso EasyTouch 680UW Multi-OS Illuminated Keyboard with CoPilot AI Hotkey features a brown mechanical switch that 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 backlit LEDs have a adjustable white light that's ideal for a place with low light. With the touch of the lighting button, you can adjust the brightness. Our keyboard's multi-OS layout feature is designed for versatility, catering to users across various operating systems.