NEFFICARN358 Portable Voice Amplifier for Teachers with Wired Microphone & Speaker - 30+ Hour Battery Life - Teachers Mic for Classroom - 205g

Nefficar N358 Portable Voice Amplifier for Teachers with Wired Microphone & Speaker - 30+ Hour Battery Life - Teachers Mic for Classroom - 205g

DIGIMORE Voice Amplifier for Teachers with Bluetooth | 10 Hrs Battery | Wired Headset Mic with 10W Speaker for Tour Guides, Yoga, Classroom Teaching Aid for Schools & Colleges (D-1200)