Verilux Portable Voice Amplifier Microphone Headset Set,with Belt 160 W AV Control Amplifier  (Black)

[12W Voice Amplifier]-- Insert the microphone headset into the jack,it become your throat helper for indoor/outdoor speaking.Let you can be heard clearly by people. Adjustable voice volume ,allowing your voice can be heard by 25-1 people.Built in DSP noise reduction and 3D stereo structure,not just can reduce the noise but also provide you a better sound effect.[Your Music Player]--Except work as a voice amplifier, it is also can be your entertainment music device.Support TF card and flash drivers,allowing you to use it as a music speaker and haveing relaxing moment whever you are.[PA Systems]--Built in 2mAh battery，Can work for 2 hours as voice amplify and last for 13 hours as music player , fully charged in 4-6hs.voice amplifier for teachers-- Insert the microphone headset,it become your throat helper for indoor/outdoor speaking. Powerful and practical sound device for public speaking, teacher, tour guide, anchor,etc.Voice Amplifier Set--The sound is clear, crisp, no noise and no distortion. The max 12 watts sound can cover about 1 sq.ft (1 ㎡), loud enough to cover a big room.