Compatible with Win/Mac OS: The GK75 keyboard is compatible with Windows 10, Win 8, Win 7, Win Vista, Windows XP and Mac OS PC/laptop and it comes with a USB Type C to Type-A cable. The keyboard is suitable for all environments, home and office use, and of course best suited for gamers, with a compact form factor for tight spaces. TKL 75% Keyboard with Double Shot PBT Keycaps: GK75 is a compact keyboard with sensible layout for saving your valuable desktop space, and small keyboard use double shot PBT light-permeable keycaps which combines the advantages of Common PBT and ABS Keycaps, make sure you get the best light effect,It is a premium choice for gaming enthusiasts. Unique Noise and Vibration Damping Design: GK75 Mechanical Keyboard use O-Ring Lite Gaskets(Skyloong Patent) in this gaming keyboard aims to reduce key noise and impact. When a key is pressed, the O-ring acts as a cushion, absorbing some of the impact and preventing the keycap from bottoming out completely. This helps to minimize keyboard noise, particularly the sound of keys hitting the keyboard plate. O-ring gaskets provide a softer and slightly dampened feel to the key presses. Programmable Keyboard with a Rotary Knob: The GK75 RGB backlit keyboard can be fully customized. With 16 million RGB backlight options, it immerses you in a vibrant gaming environment. You can personalize the RGB lighting effects using the driver, allowing you to create a personalized setup with a range of dynamic lighting effects. Additionally, you can create macros and freely remap keys or knobs, saving them directly to the keyboard. There's no need to worry about losing your custom settings. Extremely Fast Response Speed Gaming Switches: The SKYLOONG Glacier Optical Red switches with 1.8mm Pretravel, hot-swappable,1-pin, pre-lubricated design for smooth gaming operations; ultra-fast trigger time for instant response experience; long-lasting durability to ensure stability over extended periods; light-touch key presses for easier operation and quietness, effectively reducing hand fatigue during use. Please note it's only hot swappable with Gateron Optical switches.