To start with my answers, I would like to classify the differences between pet blue-tooth trackers and pet GPS trackers.
a. No need sim card;
b. Mini side as a coin.
a. Distance limits, when connecting only with a phone, range less than 100m;
b. battery standby time is short and has to change new batteries frequently.
Pet GPS trackers:
a. No distance limits, once the device on, you can track it at any corner of the world;
b. Rechargeable inbuilt battery with long standby time.
a. Needs a sim card to work.
b. bigger dimension than blue-tooth ones.
In conclusion, nowadays, GPS pet tracker becomes smaller and smaller. Like RF-V30 mini pet GPS tracker with lovely paw shape and high quality. People all over the world start to love it. It has rolling sensor LED lights, being on in darkness automatically, which makes it much easier to find your loved pet at night.
Pet GPS trackers are preferred by insurance companies also.