SwitchBot Wallet Tracker Card for Apple Find My App (iOS Only) $10

SwitchBot Wallet Tracker Card for Apple Find My App (iOS Only) $10 - Lowest price according to Keepa. Non-replaceable and non-rechargeable battery. Available for $9.99 for 1 pack and $34.99 for 4 pack. Previous SD post was for $12, anyone has experience?