Portable Voice Amplifier for Teachers, 2200 mAh Rechargeable Microphone PA System Headset with Speaker Meetings, Tour Guides, Yoga, Classroom (White)

Small size and powerful sound: the personal voice amplifier is mini in size and light in weight (size 9.2 x 8.4 x 2.8 cm and weight 180 g), but with up to 8 W output crystal sound and no noise. The sound of the microphone speaker is loud enough to cover a large room of 25-100 people. The stable performance is perfect for amplifying your voice and saving your throat. A best portable amplifier for teaching, coach, singer, teacher, tour guide, shopping mall, presentation, outdoor speech and etc. 【Multifunctional Teacher Microphone】This microphone for teachers in the classroom supports playback of MP3 audio: TF (Micro SD) card play & USB flash drive play. The portable microphone headset can repeat a single melody, play all music in one loop and switch between songs. The portable microphone and speaker have a 3.5mm jack port and can be used as wired speakers. 2200 mAh rechargeable voice amplifier: mini voice amplifier has a built-in 2200 mAh lithium battery that allows the portable speaker with microphone to need 4-6 hours to be fully charged, but up to 20 hours of amplification time and up to 13 hours of music playback time. Comfortable and portable microphone: the head microphone is lightweight and adjustable. You can adjust the distance between the microphone and the mouth with its flexible gooseneck. This microphone headset with speaker comes with an adjustable strap that you can tie around your waist or hang around your neck. The headset microphone for talking has a clip on the back that you can attach to a belt or waistband. Warm tips: 12 months warranty and lifetime customer service make your purchase absolutely risk-free. Please charge the classroom microphone for teachers before first use, keep the voice microphone and microphone at a distance to avoid the noise.