Livup Smart Silver Ring vs RingConn Gen 2 Air Ultra-Thin Smart Ring: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Circular
Livup Smart Silver Ring
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleBattery leakage (internal)
PossibleSkin sensitization from internal alloys or coatings
PossibleNickel contamination in alloy
Withings
RingConn Gen 2 Air Ultra-Thin Smart Ring
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleNickel leaching from titanium alloy or plating
PossibleCeramic coating integrity loss over time
PossibleSkin occlusion or irritation from continuous wear
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More waterproof smart rings & bands: see the full ranking