Wired Voice Amplifier Professional Mini Lightweight Microphone Amplifier with Lavalier Lapel Mic for Teacher Black

HIGH POWER SPEAKERS: Teacher classroom microphone has a high power speaker with 1500 square meters of amplification and 72 hours of battery life.
DOUBLE LAYER PVC CABLE: Mini voice amplifier is made of double layer PVC cable, which is strong against pulling and shielding. Clear sound, no background noise.
LAVALIER HEADSET: Voice amplifier is a lapel clip headset that easily clips onto the collar, making it suitable for teachers' lectures and outdoor guides.
METAL 3.5MM PLUG: Wired voice amplifier uses a high strength metal 3.5mm plug, sturdy and durable, 100,000 times unplugging experiment.
SMALLER AND LIGHTER: Headset microphone amplifier can be fixed in your belt or pocket. Smaller and lighter, just like a floating feather.