walkie-talkie
noun
A "walkie-talkie" is a hand-held, portable two-way radio communication device that allows users to communicate wirelessly over short distances.
Example
- The hikers used their walkie-talkies to stay in touch with each other as they trekked through the remote mountain range.
- The security team used walkie-talkies to coordinate their efforts during the large event.
- The children played with their walkie-talkies, pretending to be spies on a secret mission.