Also known as: 📣, メガホン, 拡声器, 메가폰, 喇叭, 扩音器
A funnel (cone) shaped device held to the mouth, and used for amplifying or directing sound.
This tag also includes electronic megaphones, also known as bullhorns, which are a device that combines a Microphone with an amplified Horn Speaker and are used as a portable PA system.