87 Keys Mechanical Keyboard: The V3 has a classic TKL (80%) layout with QMK/VIA support, which can offer you endless possibilities of customization and meet your needs in different situations. With double-shot PBT keycaps, an acoustic silicone pad, screw-in stabs, and pre-lubed switches, etc., which provides endless possibilities and a comfortable typing experience. With QMK and VIA support, you can easily program and remap each key on the keyboard. The open-source firmware means endless possibilities for keyboard layouts, shortcuts, backlight effects, and more. Hot-swappable Support: With the pre-lubed mechanical linear red switch provides unrivaled tactile responsiveness with up to 50 million keystroke lifespan. You can also hot-swap the V3 with almost all of the 3pin and 5pin MX mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering required. The PCB-mounted screw-in stabilizer for “big keys” such as space bar, shift, enter, and delete are designed for less wobbliness and smooth performance. Compatible with both macOS & Windows Systems: 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. Double-shot PBT Keycaps & South-facing Backlight: The V3 comes with our unique OSA profile and double-shot PBT keycaps that aim to provide a more comfortable and subtle fingertip feel with excellent oil resistance for long-term use. The south-facing RGB is designed to better illuminate the keyboard backlight from the typist’s angle and free from interference when the user installs Cherry-profile alternative keycaps on the V3. Hand orientation : Ambidextrous Operating system : Linux,Windows Keyboard