My Air-tag fits perfectly in the holder and works well. I am sending photos of this air tag holder alongside the apple air tag holder. I bought 4 packs of Apple branded Airtags and two holders which cost me about $35 each. Brown - apple holder. It is open on both sides as shown in the photos. This holder is closed on one side. I was concerned that closing one side would affect the transmission, but it immediately buzzed very loudly. This holder is a much better value.
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