Do Xiaomi waterproof fitness trackers & cases have PFAS?
Xiaomi waterproof fitness trackers & cases average 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Xiaomi waterproof fitness trackers & cases graded as of October 2026, level with the 85 out of 100 median for the 24 other waterproof fitness trackers & cases brands graded alongside it.
Xiaomi waterproof fitness trackers & cases average Excellent on our four-band scale. 5 of the 5 we graded are worth buying. That is above 60% of the waterproof fitness trackers & cases brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Xiaomi waterproof fitness trackers & cases worth buying Good or better, best-graded first
- Silicone band, AMOLED display, aluminum frame, stainless steel caseback
- We found no PFAS statement from the brand
- Heavy metals. Silicone can be formulated with various dyes and surface treatments. Without published material…
3 hazards checked on this product, all on its full breakdown.
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- Silicone band, stainless steel case, AMOLED display
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel case. Stainless steel alloys typically contain 8-12% nickel. While…
2 hazards checked on this product, all on its full breakdown.
- Plastic case, glass display, stainless steel band
- We found no PFAS statement from the brand
- Plastic degradation and microplastic shedding. Plastic cases can degrade under UV exposure and thermal stress…
4 hazards checked on this product, all on its full breakdown.
- Silicone band, metal casing, plastic/elastomer components
- We found no PFAS statement from the brand
- Silicone band degradation and bacterial colonization. Silicone itself is chemically inert, but prolonged…
2 hazards checked on this product, all on its full breakdown.
- Unspecified polymers, likely silicone and stainless steel band; 50m
- We found no PFAS statement from the brand
- Water resistance seal failure and bacterial/mold growth. The 50m rating depends on gasket and seal integrity…
The same question, asked of the other waterproof fitness trackers & cases brands
Best average grade first. Xiaomi averages 85.
See every Xiaomi product we grade on the Xiaomi brand page, or the full waterproof fitness trackers & cases ranking.