Full-Size Wireless Keyboard: The Keychron B5 Pro is a lightweight, ultra-thin, and full-size wireless keyboard with a 300-hour battery life. It supports 2.4 GHz wireless, Bluetooth, and wired modes, easily connecting to phones, tablets, PCs, and Macs. Customize settings easily with the Keychron Launcher web app Launcher Web Configurator: The Keychron Launcher web app lets you remap keys, unlock new features, and update firmware effortlessly. Accessible anytime via Chrome, Opera, or Edge, it requires no downloads, giving you full control over your keyboard setup 2.4 GHz & Bluetooth Support: Enjoy excellent performance with the B5 Pro's 2.4 GHz wireless connection, featuring a swift 1000 Hz polling rate for a cable-free and tidy setup. Effortlessly switch between devices using Bluetooth 5.2, enabling smooth multitasking Ultra-Slim & Silent Typing: The B5 Pro's two-stage kickstand lets you adjust angles for better comfort. Fully pre-lubed scissor switches deliver smooth