Voice Amplifier: Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. Delivering clear and soft sound to cover about 20000 sq.ft (1000 ㎡). loud enough to cover a big room.This portable amplifier with microphone is good fortrainer, singer, coacher, tour guide, shopping mall, presentation, meeting, outdoor speech, etc Bluetooth Speaker: Not only an amplifiers but also a portable Bluetooth speaker, you can stream your favorite music from any type of Bluetooth-enabled mobile device, up to 33 feet away.This bluetooth microphone can connect with many devices to work as speaker. Light Weight Power Box: This portable Bluetooth Amplifiers is a portable public address system. You can take it to multiple locations such as classrooms, bingo calling and outdoors. A big help in speaking to 100+ members in your group.This voice modulator is convenient for you to talk to your students or group members.?You can also use a waistbelt to tie it around your
