Ultra-Slim 96% Wireless Keyboard: The Keychron B2 Pro is a slim, lightweight wireless keyboard with a 96% layout. It supports 2.4 GHz, Bluetooth, and wired modes for seamless connection to phones, tablets, PCs, and Macs. Customize settings easily with the Keychron Launcher web app Program with QMK & Launcher: Program every key with QMK firmware and adjust layouts using the Keychron Launcher web app. It works directly in your browser across macOS, Windows, and Linuxno installation required for effortless personalization 2.4 GHz & Bluetooth: Experience smooth, low-latency performance with 2.4 GHz wireless and a 1000 Hz polling rate. Switch between multiple devices using Bluetooth 5.2, making multitasking across your phone, tablet, and laptop a breeze Suitable for All Devices: Fully compatible with macOS and Windows, the B2 Pro supports full multimedia and function keys for both systems. Quickly switch OS modes with the side toggleperfect for users working across multiple devices