View on Amazon
Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Free Shark Silver, 10 Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen for iOS and Android, No Subscription Fee, IP68 Waterproof Health Tracker (Silver, 10)
Available Options
Current
Silver, 10
Amazon
€43.01
Available to order
Price history by variant
Volatility: HighFeatures
- No subscription fees required
- Sleep tracking with deep/light sleep analysis
- 24/7 heart rate and blood oxygen monitoring
- 80-meter waterproof rating
- 5-day battery life, 30 days with charging case
- Multi-sport tracking with route mapping
Product details
General specs
- Brand: Free Shark
- Model: Smart Ring
- Compatibility: Android, iOS
- Water Resistance: IP68
- Fee No Subscription: true
- Battery Life Standalone: 5 days
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
?
Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
No live offers captured right now
Check current availability on Amazon.
Offers updated: 9/5/26
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
Shipping options
Delivery to 
United States
United States
Available
If you're tired of wearing a bulky fitness tracker on your wrist, the Free Shark Smart Ring is the solution you've been waiting for. It's designed for health-conscious individuals who want seamless, 24/7 monitoring without the bulk or distraction of a traditional fitness band.
Most people think fitness trackers are only for tracking workouts. But this ring excels at a different angle: it's a discreet wellness partner that stays with you around the clock. Imagine wearing a ring that feels lighter than a wedding band, yet it keeps a vigilant eye on your sleep stages, heart rate, and blood oxygen levels. You'll receive detailed sleep reports that show exactly how much time you spend in deep sleep, light sleep, and wakefulness. Use this data to adjust your evening routine and wake up more refreshed.
The ring automatically detects activities like walking, running, and cycling, and even tracks swimming thanks to its 80-meter waterproof rating. No need to fumble with a device—just wear it and let it record your stats. And with a battery that lasts up to 5 days (or over 30 days with the charging case), you won't be scrambling for a charger every night. It's compatible with both iOS and Android, and there are no hidden subscription fees. Download the Free Shark Health app and get immediate access to all insights.
Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen for iOS and Android, No Subscription Fee, IP68 Waterproof Health Tracker (Silver, 10)
€43.01
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.