Someone already knows more than me? ;- ) Got my interest as I stumbled upon a sale of Samsung 4x SmartTag2 for 60 EUR
Device also includes Bluetooth Low Energy (BLE) and a NFC tag. Probably most (all?) functions only proprietary usable except nfc tag.
*Galaxy Note20 Ultra, Galaxy S21+, Galaxy S21 Ultra, Galaxy S22+, Galaxy S22 Ultra, Galaxy S23+, Galaxy S23 Ultra, Galaxy Z Fold2, Z Fold3, Z Fold4, Z Fold5, Z Flip2, Z Flip3, Z Flip4, Z Flip5
Google: Pixel 8 Pro, Pixel 9 Pro, Pixel 9 Pro XL, Pixel Fold
Motorola Edge 50 Ultra
Xiaomi MIX4 und das Mix Flip
Huawei Mate XT
Regain your privacy! Adopt /e/OS the deGoogled mobile OS and online services