Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
SECRETTOP Black Size 14 Activity Tracker Ring
Available offers (4)
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Current
Black Size 14
Retailer
€178.36
Available to order
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Price history by offer
Volatility: HighFeatures
- Tracks heart rate and SpO2
- Tracks sleep stages
- Supports 12 sport modes
- IP68 waterproof
- Dual charging case
- 3-5 day battery life
- Hands-free photography
- Family wellness sharing
- Comfortable 8 size options
- Compatible with iOS and Android
General specs
- Brand: SECRETTOP
- Seller: Retailer
- ID: B0FYRVTKB1
- APP: LuckRing app
- Weight: Ultra-thin and lightweight (exact weight not specified)
- Sensors: Heart rate monitor, Blood oxygen sensor, Accelerometer
- Material: Stainless steel alloy exterior, Epoxy resin inner ring
- Sport Modes: Outdoor Running, Indoor Running, Outdoor Cycling, Indoor Cycling, Walking, Basketball, Football, Badminton, Swimming, Rope Skipping, Mountain Climbing, Yoga
- Battery Life: 3-5 days typical use, 7-10 days standby
- Size Options: 14 (US size 14)
- Compatibility: Android 5.1+, iOS 8.0+
- Smart Features: Hands-free photography (shake finger twice)
- Build Materials: Lightweight stainless steel, Epoxy resin
- Charging Method: USB cable, Portable charging case
- Water Resistance: IP68 waterproof
- Size Availability: 8 sizes
- Health Tracking Features: Heart rate, Blood oxygen, Sleep tracking (total sleep, deep, light, REM, awake), Steps, Distance, Calories, Blood pressure
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Delivery to 
United States
United States
Available
This smart ring is designed for anyone who wants a discreet way to track health and fitness, but especially for people who dislike bulky bands or sleep trackers that interrupt rest. It’s ideal for monitoring your sleep quality, daily activity, and even family wellness—all from a comfortable ring you wear 24/7.
Unlike typical fitness trackers, this ring focuses on providing insights without getting in the way. The sleep tracking feels natural: you forget you’re wearing it, yet the app shows you exactly how long you spent in deep sleep, light sleep, and REM. In the morning, you can review your sleep score and adjust your bedtime routine—no charging reminder needed. The motion detection is smart enough to tell when you’re tossing and turning, and the data syncs seamlessly after you wake up.
The real surprise is the hands-free shutter. Shake your finger twice to take a photo—perfect for capturing a family moment or a gym progress shot without asking someone to help. The IP68 waterproof build means you can wear it while washing hands or during a rainy run. Battery life easily lasts 3-5 days, and the portable charging case is a lifesaver when traveling. For families, the app lets you monitor each member’s heart rate and SpO2, giving you peace of mind when you’re apart. This ring isn’t just a health tracker; it’s a tool for staying connected with those you care about.
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| Brand | SECRETTOP | Uni-Green | Jojovenusmall | Govllfoz | S SECRETTOP | S SECRETTOP |
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| Price | €178.36 | €18.66 | €32.10 | €53.50 | €124.85 | €178.36 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 20, 2026 | May 27, 2026 | May 20, 2026 | May 20, 2026 | May 20, 2026 | May 20, 2026 |
| Weight | Ultra-thin and lightweight (exact weight not specified) | Ultra-lightweight | 2.5g | A few grams | ||
| Material | Stainless steel alloy exterior, Epoxy resin inner ring | High-quality materials, Fully enclosed structure | aluminum | Ceramic | Stainless Steel Alloy (exterior), Epoxy Resin (inner ring) | Stainless Steel Alloy Exterior, Epoxy Resin Inner Ring |
| Battery Life | 3-5 days typical use, 7-10 days standby | Fast charging, long battery life | 5-7 days active use | Long | 3-5 days typical use, 7-10 days standby | 3-5 days typical use, 7-10 days standby |
| Compatibility | Android 5.1+, iOS 8.0+ | iPhone, Android | iOS, Android | App-based monitoring, Family Care Mode, Remote Camera Control | Android 5.1+, iOS 8.0+ | |
| Charging Method | USB cable, Portable charging case | USB Cable, Portable Charging Case | USB Cable, Portable Charging Case | |||
| Waterproof Rating | IP68 | IP68 | IP68 | |||
Activity Tracker Ring Black Tracks heart rate and SpO2
€178.36
When this device makes sense
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