Zoweetek Portable Rechargeable Mini Voice Amplifier With Wired Microphone Headset And Waistband, Supports Mp3 Format Audio For Teachers, Singing, Coaches, Training, Presentation, Tour Guide The ZOWEETEK Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset and Waistband is perfect for anyone who needs an amplifier to amplify their voice. This mini voice amplifier is small and light, and can be clipped to your belt or pocket. It also comes with a built-in 1800mAh rechargeable battery, so you can use it for hours on end without having to worry about finding a power outlet. The ZOWEETEK Portable Rechargeable Mini Voice Amplifier…