Raspberry Pi 400 is basically a keyboard,combined with a custom-designed PCB that has similar specifications as a Raspberry Pi 4. Furthermore, it contains everything you need to get started with an included mouse and a 16GB micro-SD card pre-installed with Raspberry Pi OS. Featuring a quad-core 64-bit processor, wireless networking, dual-display output, and 4K video playback, Raspberry Pi 400 is a complete personal computer, built into a compact keyboard. It is ideal for surfing the web, creating and editing documents, watching videos, and learning to program using the Raspberry Pi OS desktop environment.