Voice Amplifier,15W Rechargeable Portable Microphone for Teachers,Lightweight Personal Microphone with Speaker Wired Headset Supports Bluetooth,Recording,FM Radio,TF Card/AUX

Portable Mini Voice Amplifier Wired Headset Microphone Speaker Set for Teachers 15W Rechargeable Lightweight Personal Mic for Classroom,Tour Guides,Instructors and Presentation

Lapel Microphone for Voice Amplifier 3.5mm Wired Clip-on Mic and 4pcs Microphone Covers Foam, Portable Mini Microphone for Teachers