Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Free Shark Rose Gold, 8 Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
Available offers (4)
Current
Rose Gold, 8
Retailer
€53.49
Available to order
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Price history by offer
Volatility: HighFeatures
- Sleep quality monitoring with deep and light sleep tracking
- Continuous 24-hour heart rate and blood oxygen monitoring
- IP68 waterproof up to 262 feet depth
- 5-day battery life, extends to 30 days with charging case
- No subscription fees for lifetime app access
- Compatible with iOS and Android devices
General specs
- Brand: Free Shark
- Seller: Retailer
- ID: B0GCZ743VV
- Size: 8
- Brand: Free Shark
- App Features: Full Functionality Unlocked, Real-time Health Tracking, Professional Health Advice
- Product Type: Smart Ring
- Compatibility: iOS, Android
- Design Features: Ultra-thin, Lightweight, Comfortable Fit
- Waterproof Depth: 262.5 feet
- Waterproof Rating: IP68
- Skin Compatibility: Sensitive Skin Friendly
- Subscription Model: No Subscription Fee
- Exercise Data Tracked: Exercise Route, Exercise Time, Steps Taken, Heart Rate, Speed, Calories Burned, Exercise Distance
- Sleep Tracking Metrics: Deep Sleep Duration, Light Sleep Duration, Wakeful States
- Activity Tracking Modes: Running, Walking, Hiking, Cycling, Yoga, Dancing, Skipping Rope
- Battery Life (Standalone): 5 days
- Health Monitoring Features: Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
- Continuous Health Monitoring: 24-hour Heart Rate Tracking, 24-hour Blood Oxygen Tracking
- Battery Life (with Charging Case): 30 days
- First listed by seller: March 11, 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 person who wants health insights without a bulky watch, the Free Shark Smart Ring fits your life. It tracks your daily steps and workouts, but its real value is in understanding your rest. You can see how your evening routine affects your sleep quality the next morning.
This ring monitors your heart rate and blood oxygen 24/7, giving you a full picture of your health. The app provides clear reports without any subscription fees. Its waterproof design means you can wear it from workouts to showers without worry. The rose gold finish adds a subtle style that blends with any outfit.
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| Brand | Free Shark | Osawalla | S SECRETTOP | VAMOTRA | TYUIOL | Kuinha |
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| Price | €53.49 | €35.67 | €214.04 | €35.67 | €21.39 | €15.15 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 1, 2026 | Jun 24, 2026 | May 7, 2026 | Apr 24, 2026 | May 29, 2026 | Mar 21, 2026 |
| Size | 8 | 8 | 7 | #6 | 9 | 9 |
| Compatibility | iOS, Android | iPhone, Android | iOS, Android | Android, iOS | Android 6.0 or above, iOS 11.0 or higher | |
| Battery Life | 5 days continuous use, 30 days total with charging case | 3-5 days typical use, 7-10 days standby | 7 days | |||
| Subscription | No subscription fee | No Subscription Fee | No Subscription Fees | |||
| Water Resistance | IP68 | IP68 | IP68 | |||
Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
€53.49
When this device makes sense
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