This is the Seinxon Finder: a credit card sized item tracker that easily fits in your wallet. It is also IP68 rated, so you can use it to track your pets and everything else outside. The Seinxon Finder Card works with Apple’s Find My app. It has a rechargeable battery.
The Seinxon Finder Card and Finder Mini comes with Bluetooth 5.2 connectivity with a range of 200ft. It also has a 80-100dB alarm. This project is getting funded on Kickstarter.