Earpiece communication mirrors are a special Enchantment.
A device that allows two people to talk to each other over distances of up to five-hundred meters. It uses small talking mirrors as a substitute to transfer the voice without the picture.
[ v ]Human magic
|Wand based||Alchemy · Charms · Duelling · Transfiguration · Wand lore|
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|Mixed||Divination · Healing · Magical theory · Mind magic|