Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026) vs Galaxy Ring Charging Case: which is safer?
Samsung Galaxy Ring Charging Case is our pick: better on PFAS and on the overall hazard picture.
Fitbit
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026)
PFAS grade
B 85/100
Overall grade
D 67/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Titanium and stainless steel with glass sensor
Confidence
72%
PossibleElectronic component off-gassing or thermal breakdown
ReportedBiofilm and bacterial growth on sensor surfaces
PossibleGlass or metal micro-debris from wear
Our pick
Samsung
Galaxy Ring Charging Case
PFAS grade
B 85/100
Overall grade
B 81/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Plastic (ABS or similar) case with metal charging contacts
Confidence
72%
PossiblePlastic degradation and microplastic shedding
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