Pre-lubed Keychron K Pro Switch - The Optimized molded switch with more precise positioning and less wobble will undoubtedly improve the feel at your fingertips. With the fully assembled V3 version fitted with factory pre-lubricated Keychron K Pro switches, a smoother travel experience is guaranteed for you. Switch Layouts Between macOS & Windows - Built with the Mac users'experience in mind while still retaining compatibility for Windows devices, the Keychron V3 comes with a system toggle and an additional set of customized keycaps for both Windows and macOS systems. You can now save two different layouts on the keyboard, one for each system. South-facing RGB LED Lights - Designed to better illuminate the keyboard backlight from the typist's angle with the premium non-shine-through PBT keycaps installed. The south-facing RGB is also free from interference when the users install OEM or Cherry-profile alternative keycaps on the keyboard. Hot-swappable - The hot-swappable sockets are compatible with almost all the MX style 3pin and 5pin mechanical switches on the market (including Gateron, Cherry, Kailh, etc.). Programmable Knob - With full QMK and VIA support, you can easily program and remap each key on the keyboard. You can easily customize the V3's knob to your desired key or macro commands such as: zooming in/out, adjusting screen brightness, brush size, volume, selecting video clips or photos, or backlight hue. 87 Keys Mechanical Keyboard - The Fully Assembled V3 is a fully customizable mechanical keyboard to push your typing experience to the top. With the classic TKL 80% layout, double-shot PBT keycaps, screw-in stabs and QMK/VIA support, theV3 is designed for premium typing comfort and endless possibility.