Voice Amplifier for Teachers with 2 Microphones, Portable Voice Amplifier with Headset Microphone, Personal Mini Voice Amplifier for Tour Guides Classroom Speaking Meetings Yoga (Dark Black)

Powerful Voice Amplifier: It is a professional voice amplifier with 40W output powerful sound which allows about 300 student to hear you. No noise and no distortion. Ensuring crystal-clear sound for your student or audience. Perfect for amplifying your voice and saving your throat. Upgraded Microphone Speaker: This voice amplifier offers versatile options for audio playback. Support Bluetooth music, Reverb, Microphone recording, TF (Micro SD) card playing & USB flash drive playing. Not only as a voice amplifier but a music player. It can repeat single tune, loop all music and switch songs. Adjustable Microphone Headset: The microphone headset is lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck.Comfortable design makes it convenient for your teaching, training, presention and other activies. Long Battery Life: Built-in a rechargeable 2000mAh lithium battery. The long lasting battery life of 10-12 hours ensures that the voice amplifier can keep up with your demands throughout the day, and it takes only 3 to 5 hours to fully charge.