Keychron J4 The J4 is a wireless mechanical keyboard with a TKL (80%) layout. It supports 2.4 GHz, Bluetooth, and wired connections. Configurable through QMK and Keychron Launcher web app, it offers endless possibilities and enhanced productivity in your work and gaming! The J4 features a superior sound and typing experience with multiple layers of acoustic foams, such as IXPE, PET, and EPDM. 2.4 GHz & Bluetooth Connection Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the J4 via Bluetooth 5.2 to three devices. Program with QMK & Launcher. The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app. Significantly Enhanced Acoustic Foams Elevate your typing with J4 featuring advanced IXPE acoustic foam for enhanced comfort, coupled with resilient EPDM foam for superior key switch support, responsiveness, and durability. The steel plate provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability. An Epic Core Inside A powerful ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games. Hot-Swappable (Optional) We also provide a hot-swappable version for your choice, which means you can customize your typing experience without soldering, pop them in and it's done. Every detail matters for a personalized typing experience, that’s why we give you the power. You can hot-swap every switch on the J4 with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customize your own typing experience in seconds. Keychron Super Switch Our exclusive Keychron Super switch adopts a new mold with unparalleled precision. Every switch is tested for pro-grade quality and has a lifespan of up to 50 million clicks, providing great reliability and high performance for long typing sessions. Its new light affection structure on its transparent top housing also ensure high light transmittance and a more consistent, brighter backlight effect. Double-shot PBT Keycaps The double-shot PBT keycaps of the J4 provide excellent oil resistance and prevent the legends from fading out. Additionally, the keyboard offers two different keycap options to meet varying preferences and needs. Cherry profile (shine-through) MDA profile (non-shine-through) Unlock Dynamic Backlit Control Comes with more than 22 types of RGB backlight settings (as well as a static white backlight option), and 14 types of backlight settings on the White Backlight version. You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease. Ergonomic Support Two levels of adjustable typing angle (4.5º & 9.6º) and curved Cherry profile and MDA profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.
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