The Manifest has conducted a study to find out which name was most familiar in the wearables sphere. 77% of those polled were able to name Fitbit in this context, compared to 73% for the next most recognized name ("Apple Watch"). Ironically, the latter sold a million more units in the second quarter of 2019 (2Q2019) than the former.
https://www.notebookcheck.net/Fitbit-is-the-best-known-name-in-wearables-even-though-Apple-owns-the-market.435631.0.html