Portable Voice Amplifier for Teachers with Bluetooth, 2400mAh Rechargeable Headset Microphone Amplifier and Waistand,Portable Meagaphone Speaker Mic for Teachers,Tour Guides,Classroom,Yoga(Rose)

【Powerful Sound & Compact Size】The Bluetooth voice amplifier for teachers adopts piano lacquered surface for smooth feel of size 4.53*3.22*1.57inch and weight 0.6 lb,but with 10W powerful output crystal sound which is loud enough to cover a room with a large group of 250-500 people.The stable performance of the portable headset microphone speaker is perfect for amplifying your sound and saving your throat.. 【Multifunctional Portable Microphoner】This voice amplifier for teachers bluetooth supports MP3 audio playing: TF (Micro SD) card playing & USB flash drive playing.Our microphone for classroom teachers with a clear telescopic antenna and DSP digital radio, you can listen to your favorite radio station anytime, anywhere.This portable microphone and speaker 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 classroom microphone for teachers built-in 2400mAh large lithium battery,and this portable voice amplifier provides 10days keep using.The charging time of mic and speaker portable takes only 4 hours to fully charge, but plays up to 20 hours of amplify time and up to 13 hours of music playtime.. 【Comfortable and Teacher Microphone】The headset microphone for speaking comes with an adjustable band that you can use it to tie around your waist or hang on your neck. The portable speaker with microphone has a clip on the back, you can clip on a belt or the pant waistband. The wired microphone headset is adjustable,You can adjust the distance between the microphone and mouth with its flexible gooseneck.. 【Warm Tips and Guarantee】Please keep the microphone for classroom teachers for a distance and facing away each other to avoid the signal affected.Please charge mini voice amplifier before first time using. It is a best portable amplifier for teaching, trainer, singer, coacher, tour guide, shopping mall, presentation, outdoor speech and etc.