Voice Amplifier Teachers,Megaphone Speaker Portable PA System with Microphone Headset(Work of 12hours) Supports MP3 Format Audio for Tour Guides Coaches Yoga Fitness Instructors(Pink)

【Powerful Sound】The amplifier is small in size but has 10W output crystal sound, noise-free, enough to cover a large room of 25-100 people. The stable performance perfect for amplifying your sound and saving your throat, 【Long Battery life & Multifunctional】The voice amplifier with a 1800mAh built-in big rechargeable battery provides 8-12 hours amplify time and 6-10 hours music time with a full charge. And the voice amplifier takes only 3-5 hours fully charged., 【Adjustable】The microphone headset is lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck. Comfortable design facilitates your teaching, training, demonstration and other activities, 【Compact & Easy to Carry】The microphone and speaker is compact and ultra-light, and you can attach it to your belt or pocket using the detachable clip on the back,or you can tie it around your waist or hang it around your neck with the help of a belt, 【Warm Tips and Guarantee】Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected