nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqt7dmr2xue8zaxsxhy2xkdja0nx6f8cu8y8l7hfksw98y773djkgqktvf35 My curiosity push me to buy this kind of device. But in the other hand I am still wandering what can I do with it. What is the real purpose of these devices, other than being amazed by t...