Smart Ring for Women – Waterproof Activity Tracker, Sleep Monitor vs Tracking Ring: which is safer?

Tracking Ring is the clear pick. Smart Ring for Women – Waterproof Activity Tracker, Sleep Monitor carries a failing PFAS grade, and we never recommend buying a failing product.

Amazon

Smart Ring for Women – Waterproof Activity Tracker, Sleep Monitor

PFAS grade

F 40/100

Overall grade

F 18/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Silicone/polymer band with waterproof coating, metal/ceramic sensor ring core

Confidence

40%

PossibleWaterproof coating degradation and heavy metal leaching

ReportedNickel and other contact allergens from metal sensors

PossibleMicroabrasion and skin irritation from band wear

Why this grade

Our pick

Amazon

Tracking Ring

PFAS grade

A 100/100

Overall grade

A 92/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel, titanium alloy, sapphire glass

Confidence

72%

PossibleNickel in stainless steel alloy

PossibleSkin irritation from prolonged contact

Why this gradeBuy

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 water-resistant smart rings & bands: see the full ranking