F
40/100 puntaje de seguridad
GeneralF
Circular · Waterproof Smart Rings & Bands
Oura Smart Ring 4
Preocupacion muy alta de PFAS
Veredicto: EvitarWearable with unspecified water-resistant coating; PFAS status unclear.
Oura Ring 4 uses titanium and stainless steel but applies water-resistant coating with no PFAS disclosure. Coating composition not publicly detailed.
Material: Titanium, stainless steel, polymers with water-resistant coating
La alternativa segura
B
Fitbit
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026)
Estimacion basada en modelos a partir de materiales e informacion publica, no una prueba de laboratorio.