My daughter loves playing teacher, leading classes, or just bossing her brother around - and this voice amplifier is perfect for her! It's super easy to use, rechargeable and lightweight. This would be ideal for teachers in the classroom or any person that speaks in front of groups.

 

Voice Amplifier with Wired Microphone Headset 15W Mini Voice Amplifier Portable Headset Microphone with Speaker for Teachers Rechargeable Personal Microphone Support MP3 Playing

PORTABLE & EASY TO OPERATE: SHIDU S511 Portable Voice Amplifier is lightweight and only 0.4 pound; Compact size (3.86 x 3.46 x 1.77 inches) & it has an wired included headset-microphone & adjustable waist or neck band which makes it easy to carry. MINI VOICE AMPLIFIER BUT POWERFUL: Super 15 watts output, amplifys your voice and saves your throat. The sound is clear, crisp and no distortion. This personal voice amplifier headset mic allows you to keep your voice at a normal speaking level and be heard by a group of 50 to 150 people. RECHARGEABLE VOICE AMPLIFIER: A perfect portable amp for teacher, tour guide, elderly, coach, fitness instructor, yoga or people who has a soft voice, parkinson's disease. Built in 2200 mAh rechargeable lithium battery. Continously working time is up to 12 hours. It is very easy to charge with the included 5V charger. And only needs 3~5 hours to fully charge it. WORTH THE PRICE: Made of durable and wear-resistant ABS material, this voice amplifier looks fashion. This portable voice amplifier also can play music from TF card or USB flash drive; The Aux/Line in port allows you to use this teacher speaker to amplify music from cell phones, laptops, MP3 players and more. WARM TIPS -- 1.The speaker and mic need to be positioned a distance from each other, and are best facing away from each other. 2.Directional mics focus in one direction and reject other sounds. So please point the mic directly towards the mouth when speaking.

https://www.amazon.com/dp/B07RSY7VXG