- With a 1000 Hz polling rate,this Keychron B1 Pro keeps your inputs fast and smooth - great for gaming or coding without lag -  Remap keys, set macros, and tweak layouts to match your style on the Keychron Launcher app - It's got onboard memory to remember your shortcuts, so your setup stays the same on any device - Every keystroke is smooth and precise with the concave keycaps - perfect  when speed and accuracy matter most - The 2.4 GHz and Bluetooth options keep your connection stable and responsive - It's a hot-swappable keyboard, so you can mix and match with different Gateron switches (sold separately)