Smartwatches are superior to smart rings. At least according to Garmin. Smart rings only have one advantage over a smartwatch, but the disadvantages of this form factor otherwise outweigh the advantages, says Garmin's management team. https://www.notebookcheck.net/No-plans-for-a-Garmin-Smart-Ring-Smartwatches-expected-to-remain-superior-to-smart-rings-for-the-time-being.897286.0.html
all look a bit naff pretending to be a decorative ring, wait till nothing bring one out