|Purpose||Communication from typing from a laptop to a person's ear|
|Manga Debut||Chapter 79 and 80|
Embarrassed Girl, Part 1 and Embarrassed Girl, Part 2
|Anime Debut||Episode 43|
Psst-Psst Earphone is an invention of Switch's that is designed to communicate to the wear by typing onto a laptop or a cellphone. This invention is first used in Hime's date with Bossun and in Json's 2nd Omiai.