Xiaomi · Waterproof Smartwatches & Fitness Trackers
Xiaomi Smartwatch Ip68 Waterproof Bluetooth Call Electrocardiogram Bp
Unknown waterproof coating composition raises concern. Skip or contact Xiaomi.
IP68 waterproofing typically requires water-repellent coating coatings, often PFAS-based. Xiaomi discloses no material details or PFAS status for this smartwatch.
The safe swap
Swatch
Swatch Chrono 42 Quartz Watch
85/100 safety
Same rubric that flunked this product. The swap earned its B.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Unspecified polymers, electronics, waterproof coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
This smartwatch uses unspecified polymers for the case and band, combined with electronics and an unstated waterproof coating. The coating is critical because water-resistant consumer electronics often rely on Teflon-family coating or other hydrophobic polymers, some of which contain PFAS (perfluorinated compounds). Without manufacturer disclosure, the specific chemistry cannot be confirmed. The polymers themselves are unlikely to leach under normal skin contact, but degradation of the coating over time or exposure to heat could alter safety profile.
The brand's record and disclosure
Xiaomi has not publicly disclosed material composition or waterproofing chemistry for this product line. The brand has no widely documented PFAS commitment or restricted substance policy specific to wearables. Xiaomi maintains CE and other regulatory certifications for electronics safety but does not routinely publish third-party toxicology testing for consumer wearables. This silence on waterproof coating composition is a transparency gap, not necessarily evidence of hazard, but it prevents informed assessment.
How it compares in its category
Most IP68-rated smartwatches use similar undisclosed waterproofing coatings, making this product typical rather than exceptional. Some competitors (e.g., Garmin, Apple Watch) provide broader material documentation. Xiaomi's pricing and feature set are competitive, but material transparency lags higher-end alternatives. If PFAS avoidance is a priority, this product's lack of disclosure puts it at a disadvantage versus brands with confirmed non-fluorinated waterproofing.
If you buy it
Keep the device away from prolonged heat (above 60C), as polymer and coating degradation accelerates at elevated temperatures. If you have sensitive skin, test the band on a small area before daily wear; unspecified polymers occasionally trigger contact irritation. Avoid extended saltwater immersion despite IP68 rating; rinse thoroughly after beach or pool use. Replace the band or device if visible coating cracking or discoloration appears, as this signals barrier breakdown.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Waterproof coating composition (suspected Teflon-family coating/PFAS)
Xiaomi has not disclosed whether the waterproof coating contains PFAS. Typical IP68 smartwatch coatings often rely on Teflon-family coating, but confirmation is absent. Risk is primarily environmental at end-of-life or during manufacturing; skin contact risk during normal use is low if coating remains intact.
Polymer leaching from band or case
No documented recalls or complaints specific to leaching from Xiaomi smartwatch polymers. Unspecified polymer type means BPA or phthalate content cannot be ruled out, but daily skin contact exposure is minimal and no evidence of harm is on record for this product.
Coating degradation over time
Waterproof coatings on electronics naturally degrade with UV exposure, thermal cycling, and mechanical wear. As the coating breaks down, water ingress risk increases; this can lead to corrosion and potential leakage of internal materials or failure. Replacement or protective measures become necessary after 1-3 years depending on use intensity.
Electronic component toxicity (rare earth metals, solder)
Smartwatches contain small amounts of lead-free solder (typically), rare earth metals in magnets, and trace heavy metals in circuits. No established hazard from incidental skin contact; risk is primarily at product end-of-life if components enter landfills. Xiaomi does not publish e-waste take-back or recycling data for wearables.
Contact dermatitis from unspecified elastomer or adhesives
Nickel, accelerators in rubber bands, and adhesives used to bond components occasionally trigger dermatitis, especially in people with sensitive skin. Xiaomi does not disclose band material or adhesive chemistry. No field reports of widespread dermatitis are documented, but individual sensitivity variation is high.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Waterproof Smartwatches & Fitness Trackers
Swatch
Chrono 42 Quartz Watch
Stainless steel case, mineral/plastic crystal, standard watch components
Lower concern. Standard watch materials pose minimal PFAS risk.
⚠Brand says nothing about PFAS
Swatch
SEA WASP
Plastic/resin watch case and strap
Typical consumer watch, no known PFAS risk signal identified
⚠Brand says nothing about PFAS
Swatch
Neon Seppia Big Bold Chrono Quartz Watch
Stainless steel case, plastic/resin band, mineral or acrylic crystal
Lower concern. Standard watch materials typically lack intentional PFAS use.
⚠Brand says nothing about PFAS
More waterproof smartwatches & fitness trackers grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.