Engineered with reinforced aluminum top case plus SGCC galvanized steel plate is added to the plastic bottom frame, making the K5 SE one of the thinnest yet durable mechanical keyboards on the market with stable wireless transmission capability. Two level adjustable rubber feet makes the K5 SE more comfortable to type on. With a unique Mac layout, the K5 SE has all the necessary Mac multimedia keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included. With just a slide of a button on the side panel, you can multitask without missing a beat by connecting the K5 SE with up to 3 devices via Bluetooth 5.1 and switch between your laptop, tablet and phone seamlessly. You can also connect the K5 SE to your computer with a type-c cable. You can easily hot-swap every low-profile Gateron switch without soldering to customize your typing experience on the K5 SE (*This keyboard is NOT compatible with any conventional MX style mechanical switch). The pre-installed low-profile Gateron red switch with a 50 million keystroke lifespan to provide an unrivaled linear responsiveness. Keychron K5 SE, a hot-swappable 104 keys ultra-slim Bluetooth mechanical keyboard, comes with a floating keycap design with a charming white LED backlight with modern keycap legends to sync with your mood. The K5 SE designed to boost your productivity yet meets your desktop aesthetics perfectly.