Why you are seeing names flashing for calls from unknown numbers: What is government’s CNAP, how it works and is different from Truecaller

India's telecom sector is rolling out Calling Name Presentation (CNAP), a new feature displaying registered caller names on ...

I've tried countless tracker tags, and these are the best I've found for Android

The Rolling Square AirNotch Pro Dual finder tags are water- and dust-resistant, last up to 20 months, and attach to your stuff - no accessory needed.