Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
lumthou R18 Enamel Rose Gold, Size 10 Enamel Craft Smart Ring
Available offers (2)
Current
Enamel Rose Gold, Size 10
Retailer
€98.09
Available to order
Price history by offer
Volatility: HighFeatures
- No subscription fee
- IP68 waterproof
- Sleep tracking
- Heart rate monitoring
- SpO2 measurement
- Remote camera control
- 8+ sports modes
- 5-7 days battery life
- Feather-light 0.11-0.14 oz weight
- Multi-language app support
- Care mode for sharing health data
General specs
- Brand: lumthou
- Model: R18
- Seller: Retailer
- ID: B0GH7NN14K
- Size: 10
- Brand: lumthou
- Weight: 0.007-0.009 lbs
- Quantity: 1
- Battery Life: 5-7 days
- Product Type: Smart Ring
- Wear Comfort: Feather-Light, Specially Polished Interior, 24/7 Wear
- Compatibility: iPhone, Android
- Target Gender: Women, Men
- Charging Method: Magnetic Charging Cable
- Material Finish: Premium Enamel Craft
- Subscription Fee: No
- Included Accessories: Magnetic Charging Cable, Guide
- Water Resistance Rating: IP68
- Additional Smart Features: Remote Camera Control, Care Mode, Multi-Language App Support (20+ languages)
- Fitness Tracking Features: Sleep Tracking, Heart Rate Monitoring, SpO2 Monitoring, Activity Tracking, Step Counting, 8+ Sports Modes
- Sleep Monitoring Calibration: 2-3 nights
- First listed by seller: March 21, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
For the active professional who wants discreet health insights without a bulky watch, the Lumthou Enamel Craft Smart Ring offers a stylish solution. This isn't just another fitness tracker; it's a seamless companion for your daily routine, from morning workouts to late-night rest. The feather-light design at 3-4g means you'll forget it's there, while the premium enamel finish in Rose Gold adds a touch of elegance that stands out in any setting.
Wear it to bed, and the sleep tracking automatically analyzes your stages, giving you actionable data to improve rest after a few nights of calibration. During the day, it monitors heart rate and SpO2, with real-time step counting to keep you motivated. Use the remote camera feature to snap photos hands-free, perfect for group shots or solo adventures. With IP68 waterproofing and a 5-7 day battery, it adapts to your life without interruptions, connecting via a multi-language app for easy use.
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| Price | €98.09 | €15.15 | €178.36 | €124.85 | €214.04 | €35.67 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 14, 2026 | Mar 21, 2026 | May 20, 2026 | May 20, 2026 | May 7, 2026 | Jun 24, 2026 |
| Size | 10 | 9 | 7 | 8 | ||
| Battery Life | 5-7 days | 7 days | 3-5 days typical use, 7-10 days standby | 3-5 days typical use, 7-10 days standby | 3-5 days typical use, 7-10 days standby | 3-5 days |
| Compatibility | iPhone, Android | Android 6.0 or above, iOS 11.0 or higher | Android 5.1+, iOS 8.0+ | iOS, Android | Android 5.0+, iOS 9.0+ | |
| Charging Method | Magnetic Charging Cable | USB Cable, Portable Charging Case | USB Cable, Portable Charging Case | USB Cable, Portable Charging Case | ||
| Water Resistance Rating | IP68 | IP68 | IP68 | |||
| Water Resistance | IP68 | IP68 | IP68 | |||
| Material | Stainless Steel Alloy Exterior, Epoxy Resin Inner Ring | Stainless Steel Alloy (exterior), Epoxy Resin (inner ring) | Stainless Steel Alloy Exterior, Epoxy Resin Inner Ring | |||
| App Features | Detailed Health Reports, Sleep Stage Analysis, Workout Insight, Family Wellness Sharing, Route Tracking | Detailed Reports, Sleep Stages View, Route Tracking, Family Wellness Sharing, Hands-Free Photography | Detailed Reports, Family Wellness Sharing, Route Viewing, Hands-Free Photography | |||
| Connectivity | Android 5.1+, iOS 8.0+ | Bluetooth (via Android 5.1+ or iOS 8.0+) | Bluetooth | |||
| Sports Modes | Outdoor Running, Indoor Running, Outdoor Cycling, Indoor Cycling, Walking, Basketball, Football, Badminton, Swimming, Rope Skipping, Mountain Climbing, Yoga | Outdoor Running, Indoor Running, Outdoor Cycling, Indoor Cycling, Walking, Basketball, Football, Badminton, Swimming, Rope Skipping, Mountain Climbing, Yoga | Outdoor Running, Indoor Running, Outdoor Cycling, Indoor Cycling, Walking, Basketball, Football, Badminton, Swimming, Rope Skipping, Mountain Climbing, Yoga | Running, Cycling, Skipping Rope, Walking, Hiking, Yoga, Dancing, Golf | ||
| Sleep Tracking Metrics | Total Sleep Time, Deep Sleep, Light Sleep, REM Sleep, Awake Periods | Total Sleep Time, Deep Sleep, Light Sleep, REM Sleep, Awake Periods | Total Sleep Time, Deep Sleep, Light Sleep, REM Sleep, Awake Periods | Deep Sleep Duration, Light Sleep Duration, Eye Movement, Wakefulness | ||
| Health Monitoring Features | Heart Rate, Blood Oxygen (SpO2), Sleep Monitoring, Steps, Distance, Calories, Blood Pressure | Heart Rate, Blood Oxygen (SpO2), Sleep Monitoring, Calories, Steps, Distance, Blood Pressure | Heart Rate, Blood Oxygen (SpO2), Sleep Tracking, Blood Pressure | Heart Rate, Blood Oxygen (SPO₂), Sleep Tracking, Activity Monitoring | ||
lumthou R18 Enamel Rose Gold No subscription fee
€98.09
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