? ? Some people may feel the sound of the keys a bit loud. Please add O ring on the keycaps. If you don't have, please search O-Ring Switch Dampener on . ? Wide Compatibility ? This 94 key mechanical keyboard is compatible with Windows 10, Windows 8, Windows 7, Windows XP, Windows VISTA and Mac systems. ? Ergonomic Comfort ? The design of this 94-key keyboard is based on ergonomics, Detachable USB-C (connect keyboard) to USB-A (connect PC) cable, the two keyboard kickstands provide comfortable angle for typing and effectively reduces the burden on the wrist. ? Red Switches ? Offer a medium resistance, quiet sound, and linear feedback. Every keystroke is registered during intense gameplay and fast typing, no matter how many other keys are pressed simultaneously. ? Colorful LED Backlit ? Preset 10 lighting modes, 5 backlight brightness levels,breathing speed. Precision engineered double shot keycaps never fade. Light can be off. ? Purple and White Keycaps ? Constructed from unique and high-quality durable Double-shot keycaps, This mechanical keyboard has excellent touch experience and long serving time. Colorful keycaps can bring a more pleasant mood during games or work, decorate your space and enhance your life. ? Compact and Convenient ? It has a compact layout 94 keys, boasts both practicality, the full-function and compact characteristics of keyboard and it also geared with numkeys, arrow keys, frequently used control keys ,and FN multimedia keys.