WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W/1500mAh WB002

It's about the size of an iPhone, easy to carry around and works great for presentations or lectures in smaller classrooms. Hightly would recommend this voice amplifier to any educator looking for a portable sound system that is affordable. It is also a best teacher appreciation gifts! WB002 Bluetooth voice amplifier can be a thoughtful and practical gift for a teacher who frequently speaks in front of large groups or classrooms. Decent sound quality for use in a classroom. All students can clearly hear teacher's voice and immediately stop to listen. Portable. The device is lightweight and the wireless capability allow you to put the speaker in the different part of the room. The wireless voice amplifier's clip AND the strap option to secure the speaker make it fantastic for putting it where you want it. Clip on pocket or wait band, wear over shoulder or as belt if using clip on strap. Speaker battery lasts over a day. The speaker has a indicator which tells you how much charge it has before needing to be recharged. The microphone lasts around a school day before needing to be recharged Quick connection to microphone. The speaker almost immediately pairs to the microphone.