It's a Raspberry Pi, a BlackBerry keyboard, and a battery: It's the Beepberry | Ars Technica
Raspberry Pi - Wikipedia
Official Raspberry Pi Zero Case
Project ZeroPhone: the ambitious DIY Raspberry Pi phone | TechRadar
How to set up the Raspberry Pi Zero for travel | Opensource.com
Amazon.com: for Raspberry Pi GSM/GPRS/GNSS Bluetooth HAT Expansion Board GPS Module SIM868 Compatible for Raspberry Pi 2B 3B 3B+ 4B Zero Zero W Support Make a Call,Send Messagess,Data Transfer : Electronics
Solder Party on X: "Ever seen a raspberry pretending to be a feather? 😆 Working on an RPi Zero adapter for the Keyboard FeatherWing. Learn more about the Keyboard FeatherWing here: https://t.co/hWUgXD7AgM
Zero Terminal 3 is a modular handheld PC with a Raspberry Pi Zero and a touchscreen display - Liliputing
ZeroPhone - a Raspberry Pi smartphone | Hackaday.io