Keychron K4 Pro Custom Wireless Mechanical Keyboard, 96 Keys Hot-swappable QMK/VIA Programmable Macro with K Pro Brown Switch RGB Backlit Compatible

With full QMK and VIA support Simply connect the K4 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). An ultra-low-power ARM Cortex-M4 32-bit STM32L432 MCU which is powerful, and equipped with 128K Flash will provide more flexibility for developers. Hot-swappable The hot-swappable sockets are mounted on the PCB and compatible with almost all the MX style 3pin and 5pin mechanical switches on the market (including Gateron, Cherry, Kailh, etc.), you can install or change the switches without soldering. Pre-installed the pre-lubed Keychron K Pro BROWN SWITCHES providing unrivaled tactile responsiveness. Upgraded Typing Experience The added sound-absorbing foam, a thick silicone dampening bottom pad, and steel plate provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability. The big keys’ (space bar, shift, enter, delete) typing experience is now more stable and smooth with the new screw-In PCB stabilizers. Note: The K4 Pro even supports third-party stabilizers, including Cherry or Durock. South-facing RGB Lights & Ergonomic Support Comes with more than 22 types of RGB backlight settings, you can further fine-tune the RGB hue, saturation, brightness, effect speed with ease. Three levels of adjustable typing angle (3º, 7º & 10º) and curved OSA-profile keycaps are all working together to provide long-lasting ergonomic support for your wrist. Keychron K4 Pro A fully assembled wireless Bluetooth/wired usb mechanical keyboard with the 96% layout (100 Keys), allows anyone to master any keyboard keys or macro commands through VIA, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze. SPECIFICATION Number of Keys: 100 (96%) Stabilizers: PCB-mounted screw-in stabilizers Polling Rate (Wired Mode): 1000Hz Polling Rate (Wireless Mode): 90Hz N-Key Rollover (NKRO): Yes for both wireless and wired modes Backlit: 22 types of RGB backlight options plus endless possibilities Battery: 4000 mAh rechargeable li-polymer battery Connection: Bluetooth and Type-C cable Compatible System: macOS/Windows/Linux Typing Angle: 3º, 7º and 10º MCU: Ultra-low-power ARM Cortex-M4 32-bit STM32L432 (128KB Flash) Operating Environment: -10 to 50℃ Dimension: 390.6 x 139.2 mm (15.38 x 5.48") Weight: About 1280 g / 2.82 lbs