collar clip microphone computer teacher teacher loudspeaker teaching head-mounted small class universal wired free shipping

limited time purchase only [2 hours]]

sponge head [1 pack]] sponge head [2 packs]] collar microphone [1 pack]] headworn microphone [1 pack]] collar microphone [2 packs]] headworn microphone [2 packs]] collar microphone + headworn microphone [1 pack each]] collar microphone [3 packs]] headworn microphone [3 packs]] collar microphone [5 packs]] headworn microphone [5 packs]]