W WINBRIDGE Voice Amplifier Portable Microphone and Speaker Loudspeaker Personal Microphone Speech Amplifier Clip On for Teacher, Elderly,Coaches, Training, Presentation, Tour Guide

* Portable Voice amplifier is a life saver on your voice and throat!Speaker gives off a clear and crisp sound,no noise and no distortion!You could easily make a presentation to a group of 50 people and be heard clearly. * Microphone and speaker compact size (7.087 x 5.669 x 2.205 inches) and light weight (11.36 ounces). Voice Amplification System comes with an adjustable band you can use around your waist but also has a clip on the back of the unit you can clip on a belt or pant waistband. * Portable Loudspeaker built in rechargeable lithium battery. Continously working time is up to 6 to 8 hours. You can use USB cable included to charge this mini voice amplifier. Only needs 3~5 hours to fully charge it. * Microphone amplifier supports MP3 audio playing and TF (Micro SD) card playing & USB flash driver playing. Can repeat single tune, loop all music and switch songs. * Portable Speaker provides a sound system for meeting,teaching, training,outdoor activities like wedding,Yoga classroom even for tourist gui...