Keychron K4 Ultra 8K Wireless Mechanical Keyboard 96% with Numpad, 2.4 GHz/Bluetooth/Wired, 600h Battery Life ZMK Launcher, RGB Hot-Swappable with Apex Brown Switches, PBT Keycaps, Mac Windows Linux

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• Ultra-Fast 8000Hz Performance in 96% Layout Keyboard: Built for speed and productivity, the K4 Ultra 8K delivers an ultra-responsive experience with an 8000 Hz polling rate in both 2.4 GHz wireless and wired modes. Its compact 96% layout keeps the number pad, function row, arrow keys, and navigation keys while saving desk space, making it ideal for work and gaming.
• Tri-Mode Connectivity & Multi-System Support: Connect via low-latency 2.4 GHz wireless, Bluetooth, or USB-C wired mode. Pair with up to 3 devices via Bluetooth 5.2 and switch easily between your computer, phone, and tablet. Fully supports macOS, Windows and Linux for flexible cross-platform productivity.
• Long-Lasting Battery & South-Facing RGB: With optimized firmware and an enhanced circuit design, the K4 Ultra 8K delivers up to 600 hours of battery life with backlight off at an 8000 Hz polling rate, giving you long-lasting wireless performance. South-facing RGB backlighting adds customizable lighting effects for different setups and moods.
• ZMK & Customization via the Keychron Launcher: Powered by the ZMK firmware, you can effortlessly remap keys, create macros, adjust polling rate and personalize RGB lighting to suit your gaming or workflow needs via the Keychron Launcher Web App — no software installation required. Please use the latest version of Chrome, Opera, or Edge browser to open the Launcher.
• Hot-Swappable & Premium Build: The K4 Ultra 8K wireless mechanical keyboard features a hot-swappable switch design, allowing you to easily replace pre-lubed Keychron Apex switches or other 3-pin and 5-pin MX mechanical switches in seconds and customize your typing experience without soldering. Double-shot PBT keycaps provide a durable, textured typing feel.