Other upgrades include a rechargeable battery (the original Dreamcast VMU was notorious for going through CR2032 coin cell ...

BitMods has released the VMU Pro, a Dreamcast memory card with enhanced storage, battery life, and integrated 8-bit emulators ...

Educational electronic games in the form of handheld electronic calculators ... 90911 Handheld Electronic Calculator National Museum of American History Casio Memory A-1 Handheld Electronic Calculator ...

A handheld video game console is a lightweight, portable electronic device with a built-in screen, game controls, speakers and replaceable and/or rechargeable batteries or battery pack.

Today, however, we've got a retro game ... handheld device. It features a custom case along with four buttons that are used ...