Water-Resistant Smart Rings & Bands, ranked by PFAS safety
56 products graded A to F, safest first. 16 earn a C or better and are worth buying.
Bad · Better · Best water-resistant smart rings & bands
The quickest read: what to skip and the top-graded picks worth buying instead.
Xiaomi
Colmi R02 Smart Ring
Smart ring coating composition undisclosed; waterproofing risk unclear.
Apple
Livup Smart Silver Ring
Lower concern ring, no known PFAS risk identified.
Worth buying graded C or better, safest first
Amazon
Tracking Ring
Stainless steel, titanium alloy, sapphire glass
Lower concern. Bare metal and glass components, no known PFAS coatings.
✓Naturally PFAS-free material
Fossil
Women's Raquel Stainless Steel Analog Watch
Stainless steel case, mineral/glass crystal, standard watch internals
Lower concern. Metal watch with minimal risk profile.
✓Bare metal or glass, no coating at all
Fossil
Women's Harlow Two-Hand Stainless Steel Watch Ring
stainless steel watch case and ring, mineral or glass crystal
Lower PFAS concern. Stainless steel watch with no surface treatments.
✓Bare metal or glass, no coating at all
Honor
Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 11 - Silver - (2026)
titanium, stainless steel, sapphire crystal
Smart ring with minimal PFAS risk based on known materials.
⚠Brand says nothing about PFAS
Honor
Original HONOR Insix Smart Health Ring X1A-08/10/12 Works with HONOR Magic V3
Titanium alloy ring body, likely ceramic or sapphire sensor cover
Smart ring with inherently lower PFAS risk.
⚠Brand says nothing about PFAS
Honor
Accessories | Honor Eternity Silicone Jet Black Ring New | Color: Black | Size: 14
Silicone
Lower concern. Silicone rings rarely use PFAS, but verify brand's sourcing.
⚠Brand says nothing about PFAS
Amazfit
Helio Ring Size Smart Fitness
Titanium alloy ring body, polymer band
Smart ring with titanium core.
⚠Brand says nothing about PFAS
Samsung
Galaxy Ring Size
titanium, sapphire crystal, ceramic coating
Lower concern. Titanium body with minimal surface treatments typical of smartwatches.
⚠Brand says nothing about PFAS
Apple
Livup Smart Silver Ring
Titanium and stainless steel with silver coating
Lower concern ring, no known PFAS risk identified.
⚠Brand says nothing about PFAS
Apple
Ultrahuman Ring Air
Titanium, sapphire crystal, stainless steel
Lower concern. Inherent materials unlikely to contain PFAS.
⚠Brand says nothing about PFAS
Apple
Oura Ring 4 Ceramic Smart Ring with 8-Day Battery
Ceramic coating with titanium, stainless steel band
Ceramic core lowers PFAS risk, but coating composition unconfirmed.
⚠Brand says nothing about PFAS
Apple
Qalo QRNT Slim Smart Ring
Silicone band, stainless steel or similar core
Lower concern; smart ring with silicone band, no known PFAS risk factors.
⚠Brand says nothing about PFAS
Fossil
Women's Watch Ring
Stainless steel ring with glass crystal
Lower concern. Minimal PFAS risk from typical watch materials.
⚠Brand says nothing about PFAS
Fossil
Ladies' Watch Ring
Stainless steel case, glass crystal, standard watch band (likely leather or metal)
Lower concern. Typical watch materials carry minimal PFAS risk.
⚠Brand says nothing about PFAS
Fossil
Watch Ring Watch
Stainless steel band, mineral or acrylic crystal, leather/synthetic strap
Typical watch with no known PFAS-prone components.
⚠Brand says nothing about PFAS
Xiaomi
IMIKI Smart Ring
Titanium alloy body, likely stainless steel sensors
No known PFAS risk; minimal public material disclosure.
⚠Brand says nothing about PFAS
Graded and flagged D and F, we’d swap these
Fossil
Women's ES5245 Stainless Steel Analog Ring Watch
Stainless steel case, mineral or hardened glass crystal, no disclosed coatings
Stainless steel watch, lower concern.
⚠Stain-resistant finish
Fossil
Women's Stella Watch ES5319 Quartz Stretch Steel Watch Ring
Stainless steel band and case, quartz movement
Lower PFAS concern; basic watch with no special treatments noted.
⚠Stain-resistant finish
Honor
Smart Ring 3 Pro
Titanium body, synthetic polymer bands, electronic components
Limited public PFAS data on smart rings.
⚠Undisclosed proprietary coating
Fossil
Women's Glossy Enamel Ring Watch
Stainless steel case, glossy enamel dial coating
No public PFAS data available; enamel coating origin unclear.
⚠Undisclosed proprietary coating
Amazon
RingConn Gen 2 Air Ultra-Thin Smart Ring
Titanium alloy with unspecified coatings
Insufficient material transparency.
⚠Undisclosed proprietary coating
Xiaomi
R02 For Xiaomi Smart Ring Men Women Military Grade Titanium Steel Shell Health Monitoring IP68 &
Titanium steel shell with unspecified waterproof coating/treatment
IP68 waterproofing likely involves PFAS; coating not disclosed.
⚠Waterproof or stain-proof treatment
Honor
Oura Ring 5 Smart Ring
Titanium, stainless steel, sapphire crystal with unspecified waterproof coating
Insufficient data on waterproof coating composition; Honor provides no PFAS transparency.
⚠Waterproof or stain-proof treatment
Honor
Oura Smart Ring 4
Titanium body, unspecified waterproof coating/sealant
Insufficient disclosure. Wearable durability likely requires water-resistant treatment.
⚠Waterproof or stain-proof treatment
Honor
H Wear Pro Smart Ring Fitness Tracker - Size 10, Gold
Titanium alloy case, unspecified waterproof coating
Waterproof smart ring, coating unspecified.
⚠Waterproof or stain-proof treatment
Honor
RingConn Smart Ring Gen 2
Titanium alloy body, unknown waterproof/water-resistant coating
Skip until Honor discloses waterproof coating composition.
⚠Waterproof or stain-proof treatment
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 brand discloses waterproof coating composition.
⚠Waterproof or stain-proof treatment
Amazfit
Helio Smart Ring
titanium alloy with unspecified waterproof coating
Smart ring with unspecified waterproof treatment; PFAS use unclear.
⚠Waterproof or stain-proof treatment
Amazfit
Tracking Ring
Titanium alloy body, silicone band, waterproof coating
Insufficient transparency on waterproof treatment chemistry; skip until clarified.
⚠Waterproof or stain-proof treatment
Amazfit
IMIKI Smart Ring
Titanium alloy band, ceramic/glass display, elastomer strap with water-resistant coating
Smart ring water-resistant coating unspecified; PFAS risk unclear without material disclosure.
⚠Waterproof or stain-proof treatment
Amazfit
Smart Ring for Women Men, Bluetooth 5.4 Fitness Ring with Touch, Fitness Tracker with Vibration Reminder, IP68 Waterproo
Electronic device with IP68 waterproof coating, unspecified polymer/elastomer housing
Waterproofing method undisclosed; electronics typically low risk but unverified.
⚠Waterproof or stain-proof treatment
Amazfit
Smart Ring 3 Pro
Stainless steel body, unspecified waterproof coating
Skip until waterproof treatment is disclosed.
⚠Waterproof or stain-proof treatment
Amazfit
1-Sense Active Multi-Functional Health Tracking Smart Ring
Titanium alloy band, elastomer strap, unspecified waterproof coatings
Insufficient disclosure; waterproof smart ring likely uses PFAS-based treatments.
⚠Waterproof or stain-proof treatment
Samsung
Famous Tech Shop Smart Health Ring
Titanium/stainless steel band, sapphire crystal, waterproof coating (unspecified)
Waterproof coating raises concern; Samsung discloses nothing about PFAS.
⚠Waterproof or stain-proof treatment
Samsung
NFC Smart Ring Men Women Heart Rate Health Monitor Sleep Monitors Smartring IP68 Waterproof
Titanium alloy body with unspecified waterproof coatings
Smartring with undisclosed waterproof treatment, PFAS risk unclear.
⚠Waterproof or stain-proof treatment
Samsung
Smart Ring for Women Men, Bluetooth 5.4 Fitness Ring with Touch, Fitness Tracker with Vibration Reminder, IP68 Waterproo
Unknown coating over electronics/metals, waterproof treatment unspecified
Unknown waterproof coating; Samsung silent on PFAS.
⚠Waterproof or stain-proof treatment
Samsung
Wholesale Smart NFC Ring New Waterproof Intelligent ring Magic Digital Android mart Ring,20 Pieces
Unspecified metal alloy with waterproof coating/treatment
Skip. Waterproof ring with undisclosed coating raises PFAS concern.
⚠Waterproof or stain-proof treatment
Samsung
Smart Ring For Men Women, For Iphone/android, Ip68 Waterproofing Smart
Unspecified polymers, IP68 waterproof coating
Skip until Samsung discloses waterproof coating chemistry.
⚠Waterproof or stain-proof treatment
Samsung
Smart Health Tracker Ring Titanium IP68 Waterproof Sleep Heart Rate Monitor1
Titanium body with unspecified waterproof coating
IP68 waterproofing likely uses water-repellent coating treatment; coating composition undisclosed.
⚠Waterproof or stain-proof treatment
Samsung
Smart Ring 3 Pro
Titanium body, unspecified coatings and sealants
Insufficient public data on coatings.
⚠Waterproof or stain-proof treatment
Apple
Wearables | Oura Ring | Color: Gold | Size: 5
Titanium ring with water-resistant coating
Titanium base is lower concern, but waterproof treatment unexplained.
⚠Waterproof or stain-proof treatment
Apple
Oura Ring 5 Smart Ring
Titanium, stainless steel, sapphire crystal with unspecified waterproof coating
Waterproofing coating composition undisclosed; unknown PFAS risk.
⚠Waterproof or stain-proof treatment
Apple
Oura Smart Ring 4
Titanium case, sapphire crystal, stainless steel, elastomer band with unspecified water-resistant coating
No public PFAS disclosure.
⚠Waterproof or stain-proof treatment
Apple
OPOVE O Ring 24/7 Health Tracking with HRV Stress
Aluminum alloy case, fluoroelastomer band, sapphire crystal
No public PFAS disclosure; waterproof wearables carry risk.
⚠Waterproof or stain-proof treatment
Amazon
Smart Ring for Women – Waterproof Activity Tracker, Sleep Monitor
Silicone/polymer band with waterproof coating, metal/ceramic sensor ring core
Skip; waterproof electronics often use water-repellent coating coatings that may contain PFAS.
⚠Waterproof or stain-proof treatment
Amazon
SR08 Stainless Steel Smart Ring with Display – Fitness & Activity Tracker Silver
Stainless steel with unspecified waterproof/protective coating
Skip until coating composition disclosed; smart ring waterproofing often uses PFAS.
⚠Waterproof or stain-proof treatment
Amazon
Smart Health Ring 2.0 For Women Men, Slim Scratch & Fingerprint Resistant Design - New Electronics
Titanium alloy, anodized aluminum, unspecified coatings for water/scratch resistance
Water-resistant smart ring.
⚠Waterproof or stain-proof treatment
Amazon
Smart Fitness Ring with 5ATM Waterproof Wellness Tracking
Unspecified polymer band, waterproofing treatment unknown
Skip until Amazon discloses waterproofing chemistry and materials.
⚠Waterproof or stain-proof treatment
Amazon
Lenovo Smart Ring: 5ATM Depth Waterproof Health & Sleep Monitoring Finger Ring with Multi-Sport Modes - Gold / 10# 19.8m
Metal alloy with unspecified waterproof coating
Skip until coating materials fully disclosed.
⚠Waterproof or stain-proof treatment
Amazon
All-in-One Smart Ring with Display, Sleep, Steps, Heart, SpO2 & BP Monitor, IP68 Waterproof Health Tracker, Works with A
Unspecified alloy/polymer with IP68 waterproof coating
Skip. Waterproof smart ring with undisclosed coating materials.
⚠Waterproof or stain-proof treatment
Xiaomi
2025 Xiaomi Smart Ring For Men & Women. Tracks Heart Rate, Blood
Metal alloy band with unspecified water-resistant coating
Limited transparency on coating materials and PFAS use.
⚠Waterproof or stain-proof treatment
Xiaomi
For Xiaomi Smart Ring Men Women Heart Rate and Blood Oxygen Monitor Smartring IP68 & 5ATM
Titanium alloy case, unknown waterproof coating/sealant
Smart ring with unspecified water-resistant treatments; no PFAS disclosure available.
⚠Waterproof or stain-proof treatment
Xiaomi
Amazfit Helio Smart Ring Health Tracker, No Subscription, Monitors Sleep, Heart Rate & Stress, Titanium Alloy, Water-Res
Titanium alloy with unspecified water-resistant coating
Skip until Xiaomi discloses water-resistant coating chemistry.
⚠Waterproof or stain-proof treatment
Xiaomi
Amazfit Helio Smart Ring
Titanium alloy body, unspecified coatings and sealants
Smart ring with waterproofing; materials and coatings unconfirmed by brand.
⚠Waterproof or stain-proof treatment
Xiaomi
COLMI R09 Smart Ring
Aluminum alloy body, unspecified waterproof/water-resistant coating
Smart ring materials unclear.
⚠Waterproof or stain-proof treatment
Xiaomi
Colmi R02 Smart Ring
Stainless steel body, unspecified waterproof coating/sealant
Smart ring coating composition undisclosed; waterproofing risk unclear.
⚠Waterproof or stain-proof treatment
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