OSA Profile Double-shot PBT Keycaps - The K2 Pro comes with our unique OSA profile (OEM profile with spherical-angle) that aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use. Charming RGB backlight with elegant keycap legends helps to type in dime environment, you can also choose other static color backlight mode. Hot-swappable - The K2 Pro hot-swappable sockets are mounted on the PCB, so you can hot-swap every switch on the K2 Pro with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. Also integrated the PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys such as space bar, shift, enter, and backspace. The Keychron K2 Pro also supports third-party screw-in PCB stabilizers. Wireless and Wired - You can connect the K2 Pro with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.1 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows. A reliable USB Type-C wired connection is also available when you need it. Program with QMK & VIA - Simply connect the K2 Pro to your device with a cable, drag and drop your favorite keys or macro commands to remap any key you want on any system (macOS, Windows, or Linux). Keychron K2 Pro - An upgraded QMK/VIA wireless custom mechanical keyboard allows anyone to master any keys or macro commands on its 75% compact layout through VIA, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze. CNC aluminum frame makes the whole keyboard more calm and more textured.