This is the closest I was able to get to a non-blurry picture.
It's not super complicated inside: Two main big components, a battery (non-rechargable lithium!) and a switch. The antenna is built into the PCB itself.
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Foone🏳️⚧️ (foone@digipres.club)'s status on Tuesday, 04-Nov-2025 11:21:38 JST 
Foone🏳️⚧️
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