Teacher’S Wireless Headset Guide Mini Waist Microphone

The speaker can amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. The sound is clear, crisp, no noise and no distortion. You could easily make a presentation to a group of 100 people and be heard clearly.This portable Bluetooth Amplifiers is a portable public address system. You can take it to multiple places,which is suitable for teaching, trainer, singer, coacher, tour guide, shopping mall, presentation, outdoor speech and etc.Equipped with USB cable,you can use it to charge this mini voice amplifier, and built-in a 1800mAh big lithium battery allows the microphone speaker to only take 2 hours to fully charge, but plays up to 4 hours of amplify time and up to 4 hours of music playtime.The microphone speaker is not only an amplifiers but also a portable Bluetooth speaker, you can transport your favorite music from any type of Bluetooth-enabled mobile device