Free Shark Smart Ring 2.99 x 2.95 x 1.81 inches, 3.52 ounces with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
Available Options
For the busy professional who wants to track health without the hassle of a bulky device, this smart ring offers discreet, all-day monitoring. While many focus on fitness, its real value is in providing peace of mind for someone managing a hectic schedule, letting you check your sleep quality and heart rate with a quick glance, no matter where you are.
You'll appreciate how the sleep tracker captures subtle shifts in your rest, like waking briefly during the night, so you can adjust habits for more restorative sleep. With no subscription fees, it delivers continuous heart rate and blood oxygen data directly to your phone, helping you stay informed without extra costs. The lightweight, waterproof design means you can wear it from workouts to showers without noticing it's there, making health tracking effortless and integrated into your daily life.
Features
- No subscription fee required
- IP68 waterproof up to 262 feet
- Tracks heart rate, blood oxygen, and blood pressure
- Monitors sleep quality and stages
- Counts steps and calories burned
- Battery lasts up to 5 days on a single charge
Product details
General specs
- Brand: Free Shark
- Model: Smart Ring
- batteries: 1 A batteries required. (included)
- country_of_origin: China
- date_first_available: March 10, 2025
- memory_storage_capacity: 64 MB
- standing_screen_display_size: 0.1 Inches
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
| Date | Price |
|---|---|
| 5/8/25 | $69.99 |
| 4/30/25 | $59.99 |
Shipping options
United States
Available Options
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2.99 x 2.95 x 1.81 inches, 3.52 ounces | Amazon | $69.99 | Available | Current |
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3.03 x 2.95 x 1.85 inches, 2.89 ounces | Amazon | $36.99 | Available | View |
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Free Shark Smart Ring No subscription fee required
|
KppeX X1-11# Steel Nighttime sleep monitoring
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BIEMHA VR11 Black Real-time accurate sleep and fitness monitoring
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RingConn RCA-02 Gold
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Smart Ring with Health and Fitness Tracking Silver Sleep monitoring with detailed analysis
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POBOVi Gen 1 Gold
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| Brand | Free Shark | KppeX | BIEMHA | RingConn | ZBNMY | POBOVi |
| Model | Smart Ring | X1-11# | VR11 | RCA-02 | Gen 1 | |
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| Price | $69.99 | $139.99 | $69.99 | $199.00 | $31.98 | $99.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 |
| Size | 11 | 10 | 8 | 10 | 8 | |
| Weight | 2.5 | 100 | ||||
| Material | Stainless Steel | Titanium Alloy | Titanium | |||
| Battery Life | 3–5 d | 3–5 d | 7–10 d | 7 d | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Charging Method | Magnetic | Magnetic | Wireless | |||
| OS Compatibility | Android 4.4+, iOS 8.4+ | iOS, Android | Android, iOS | Android, iOS | iOS, Android | |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | |
