Waveshare recently featured the PocketTerm35-Pi5, a handheld Linux terminal based on the Raspberry Pi 5, with an integrated display, keyboard, and battery in a compact form factor. It supports command-line interaction, development workflows, and portable system access without external peripherals. Internally, the system includes a Raspberry Pi 5 (1GB variant in this configuration), along with a pre-installed 64GB microSD card.…
The rpi should have the hdmi port at least, so I suppose you could make a cutout for it.
Edit: ah, never mind, they are using the HDMI port internally to power the tiny screen.