⌨️ Elevate Your Typing Game with Keychron K4! Enjoy up to 72 hours of typing or 7 days of normal use on a single charge. Feel the difference with Gateron Brown switches, designed for 50 million keystrokes of reliability. Effortlessly connect and switch between up to 3 devices via Bluetooth or USB-C. Includes extra keycaps for both Mac and Windows, ensuring compatibility for everyone. Experience a 96% layout that saves space without sacrificing functionality. 15+ RGB modes 4000 mAh battery Connects 3 devices The Keychron K4 is a compact 100-key wireless mechanical keyboard designed for peak productivity, featuring Bluetooth connectivity for up to 3 devices, a powerful 4000 mAh battery for extended use, customizable keycaps for Mac and Windows, and a stunning RGB backlight with multiple modes.