Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset & Waistband, Personal for Teachers, Presentation, Tour Guides, Meeting, Coaches,Classroom

【Powerful Sound & Compact Size】The portable voice amplifier for teachers adopts piano lacquered surface for smooth feel of size 115*82*40mm and weight 0.6 lb,but with 10W output crystal sound and no noise is loud enough to cover a room with a large group of 250-500 people.The stable performance of the voice amplifier with microphone is perfect for amplifying your sound and saving your throat. 【Multifunctional Voice Amplifier】The microphone amplifier for teachers supports MP3 audio playing: TF (Micro SD) card playing & USB flash drive playing. Our microphone headset for speaking with a clear telescopic antenna and DSP digital radio, you can listen to your favorite radio anytime anywhere. This microphone speaker portable supports 3. 5mm AUX audio input (Mic port can’t be as AUX port),it can repeat single tune, loop all music and switch songs. 【2400mAh Rechargeable Voice Amplifier】The tour guide microphone speaker built-in 2400mAh large lithium battery,it provides 10days keep using. The charging time of portable rechargeable mini voice amplifier takes only 4 hours to fully charge, but plays up to 20 hours of amplify time and up to 13 hours of music playtime. 【Adjustable Portable Voice Amplifier】The portable mic and speaker portable comes with an adjustable band that you can use it to tie around your waist or hang on your neck. The portable microphone headset with speaker has a clip on the back, you can clip on a belt or the pant waistband. The microphone and amplifier is lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck. 【Warm Tips and Guarantee】Please keep the mini voice amplifier portable for a distance and facing away each other to avoid the signal affected.Please charge portable speaker with microphone before first time using. It is a best personal voice amplifier for teachers, trainer, singer, coacher, tour guide, shopping mall, presentation, outdoor speech and etc. We provide return and refund without reason in 30 days, and 12- month warranty, and lifetime technical support.