Waterproof Smart Rings & Bands, ranked by PFAS safety
32 products graded A to F, safest first. 11 earn a C or better and are worth buying.
Bad · Better · Best waterproof smart rings & bands
The quickest read: what to skip and the top-graded picks worth buying instead.
Samsung
Samsung Galaxy Ring No Smart Ring activity tracker IP68 Gold
IP68 waterproofing raises PFAS concern; Samsung discloses no coating details.
Circular
Qalo QRNT Smart Ring
No PFAS risk identified; silicone smart rings are inherently lower concern.
Worth buying graded C or better, safest first
Fitbit
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026)
Titanium and stainless steel with glass sensor
Lower concern smart ring; no PFAS-prone materials identified.
⚠Brand says nothing about PFAS
Fitbit
Qalo QRNT Slim Smart Ring
silicone elastomer with metal core
Smart ring with silicone body; lower concern but no public PFAS disclosure.
⚠Brand says nothing about PFAS
Withings
Black Smart Ring Size 9 - New Women | Color: Black
Titanium alloy ring with sapphire crystal display
Lower concern. Smart ring materials inherently unlikely to require PFAS.
⚠Brand says nothing about PFAS
Withings
RingConn Gen 2 Air Ultra-Thin Smart Ring
Titanium alloy core, ceramic-like coating
Smart ring with titanium core.
⚠Brand says nothing about PFAS
Circular
Livup Smart Silver Ring
Sterling silver, likely hypoallergenic alloy
Lower concern; smart ring with no PFAS-prone materials identified.
⚠Brand says nothing about PFAS
Circular
Qalo QRNT Smart Ring
Silicone elastomer ring
No PFAS risk identified; silicone smart rings are inherently lower concern.
⚠Brand says nothing about PFAS
Circular
Amazfit Helio Smart Ring
Titanium alloy primary body, silicone band
Smart ring with lower PFAS concern.
⚠Brand says nothing about PFAS
Circular
IMIKI Smart Ring
Titanium alloy with silicone band
Smart ring with titanium core, lower PFAS concern.
⚠Brand says nothing about PFAS
Samsung
Galaxy Ring Charging Case
Plastic (ABS or similar) case with metal charging contacts
Lower concern. Standard electronics case without known PFAS risks.
⚠Brand says nothing about PFAS
Samsung
Galaxy Smart Ring
Titanium, ceramic, sapphire crystal
Wearable ring with inherently lower PFAS concern, no public disclosure.
⚠Brand says nothing about PFAS
Samsung
Galaxy Black Smart Ring
Titanium/stainless steel with unknown internal electronics coating
No public PFAS disclosure; smart ring materials mostly unclear.
⚠Brand says nothing about PFAS
Graded and flagged D and F, we’d swap these
Withings
Smart Ring - New Electronics
Titanium alloy case, sapphire crystal, undisclosed coatings/sealants
Smart ring materials largely undisclosed; insufficient data for reliable assessment.
⚠Undisclosed proprietary coating
Samsung
Galaxy Ring – Multiple Sizes - Multiple Colors (2024) Fair
Titanium, stainless steel, sapphire crystal, unknown coatings
No public PFAS data available.
⚠Undisclosed proprietary coating
Fitbit
Oura Smart Ring 4
Titanium, stainless steel, sapphire crystal, silicone band with waterproof treatment
Waterproof smart ring; PFAS risk unclear without material disclosure.
⚠Waterproof or stain-proof treatment
Fitbit
Oura Ring 5 Smart Ring
Titanium, stainless steel, sapphire crystal with unspecified waterproof coating
Smart ring with waterproof coating; PFAS composition not publicly disclosed.
⚠Waterproof or stain-proof treatment
Fitbit
Amazfit Helio Smart Ring Health Tracker, No Subscription, Monitors Sleep, Heart Rate & Stress, Titanium Alloy, Water-Res
Titanium alloy with unspecified waterproof coating
Skip until waterproof treatment materials disclosed by brand.
⚠Waterproof or stain-proof treatment
Fitbit
Charge 6 Activity Tracker Smart Ring Size 9 Silver Black
Stainless steel, elastomer, unknown waterproof coating
Wearable with waterproofing; coating details undisclosed.
⚠Waterproof or stain-proof treatment
Fitbit
Qalo QRNT Smart Ring
Silicone elastomer with unspecified water-resistant coating
Limited disclosure on materials.
⚠Waterproof or stain-proof treatment
Fitbit
Smart Ring Health Tracker
Stainless steel band, polymer sensors, waterproof coating unspecified
Unspecified waterproof coating raises PFAS concern.
⚠Waterproof or stain-proof treatment
Withings
Smart Ring For Women - New Women
Titanium alloy body, unspecified waterproof coating/sealant
Waterproofing likely uses fluorinated coatings; insufficient brand transparency.
⚠Waterproof or stain-proof treatment
Withings
Smart Ring Health Tracker 5atm Waterproof Sport Ring Exclusive
Titanium alloy body with waterproof sealing coatings, unspecified
Skip until Withings discloses waterproof coating chemistry
⚠Waterproof or stain-proof treatment
Withings
Smart Ring Vital Signs Monitoring Ring IOS And Android. Sizes 7,8,9,10,11,12,13 - New
Titanium alloy body with water-resistant coating, unspecified composition
Unknown water-resistant coating composition; limited public PFAS data available.
⚠Waterproof or stain-proof treatment
Withings
PulseRive Blood Pressure Monitoring Smart Rings. - Electronics
Stainless steel ring with waterproof/water-resistant electronics coating
Smart ring waterproofing unexplained; PFAS risk unclear without material disclosure.
⚠Waterproof or stain-proof treatment
Circular
Oura Ring 5 Smart Ring
Titanium, stainless steel, anodized coating
Waterproof ring with opaque coating.
⚠Waterproof or stain-proof treatment
Circular
Joyus Circular Ring 2 Advanced Health & Fitness Tracker Smart Ring
Titanium alloy body, likely waterproof coating unspecified
Smart ring waterproofing details absent; PFAS risk unclear.
⚠Waterproof or stain-proof treatment
Circular
Seapoom Smart Ring Activity Fitness Tracker Sleep Tracker
Unspecified coated metal/plastic composite
Skip. Waterproof smartwatch with no PFAS disclosure available.
⚠Waterproof or stain-proof treatment
Circular
Oura Smart Ring 4
Titanium, stainless steel, polymers with water-resistant coating
Wearable with unspecified water-resistant coating; PFAS status unclear.
⚠Waterproof or stain-proof treatment
Xiaomi
2025 New! Xiaomi Smart Ring for Men & Women. Tracks Heart Rate, Blood Oxygen, Sleep. 5ATM Waterproof Fitness Tracker Pin
Metal alloy ring with unspecified waterproof coating
Skip. Waterproof ring with undisclosed coating and no PFAS transparency.
⚠Waterproof or stain-proof treatment
Xiaomi
Sr08 Smart Ring Men Women Led Display Screen Heart Rate Blood Oxygen
Silicone band, metal/plastic housing, unspecified waterproof coating
Waterproof wearable with unspecified coating; insufficient PFAS transparency.
⚠Waterproof or stain-proof treatment
Samsung
Galaxy AI Smart Ring Bluetooth Fitness Tracker
Titanium casing, silicone band, electronics, water-resistant coating
Limited public data on coating composition; waterproofing raises concern.
⚠Waterproof or stain-proof treatment
Samsung
Galaxy AI Smart Ring Bluetooth Fitness Tracker - Size 12/Titanium Silver
Titanium alloy case, proprietary electronics, unknown waterproofing treatment
Limited data; waterproofing raises concern but unconfirmed.
⚠Waterproof or stain-proof treatment
Samsung
Galaxy Ring No Smart Ring activity tracker IP68 Gold
Titanium, glass, ceramic, stainless steel with unspecified waterproof coating
IP68 waterproofing raises PFAS concern; Samsung discloses no coating details.
⚠Waterproof or stain-proof treatment
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