Price range
$30
– $60
Free Shark Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen
This smart ring offers discreet, all-day health monitoring without the bulk of a wrist device. It tracks heart rate, blood oxygen, sleep stages, steps, and calories, with no subscription fees. IP68 waterproof up to 80 meters, it's suitable for swimming and workouts. Compatible with iOS and Android, the ring provides detailed health reports via its app. With a battery life of up to 5 days (extendable to 30 days with a charging case), it seamlessly integrates into daily life.
- 4 variants
- No subscription fee required
- Size: 3 variants
Price spread
~100%
Across new variants
Customer rating
22 ratings
Available variants (4)
Choose a variant, then open its detail page for seller-specific information.
Rose Gold, 8
Amazon
Available to order
- Color
- Rose Gold
- Size
- 8
- Waterproof Depth
- 262.5 feet
Variant comparison
Compare prices, availability, and key variant differences in one table.
| Feature | Black | Rose Gold, 8 | Silver, 7 | Silver, 10 |
|---|---|---|---|---|
| Price | $29.99 | $59.98 | $49.99 | $49.99 |
| Updated | Mar 11, 2026 | Apr 1, 2026 | Apr 27, 2026 | — |
| Availability | Available to order | Available to order | Available to order | Available to order |
| Color | Black | Rose Gold | Silver | Silver |
| Size | — | 8 | 7 | 10 |
| Waterproof Depth | — | 262.5 feet | 80 meters | — |
| Waterproof Rating | — | IP68 | IP68 | IP68, 262 feet |
| Health Monitoring Features | — | Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen | Sleep Monitoring, Step Counting, Heart Rate Monitoring, Blood Oxygen Monitoring, Exercise Tracking | — |
| Battery Life | — | — | 5 days, 30 days with charging case | 5 days, Up to 30 days with charging case |
Amazon live offers
Offers updated
Top live offer
$29.99
New from
$29.99
Offer count
1+
| Seller | Condition | Price | Shipping | Updated | |
|---|---|---|---|---|---|
| Third-party seller FBA | New | $29.99 | Free shipping | 6/1/26 | View offer |
View all offers on Amazon
Overview
Compare Free Shark Smart Ring with Sleep Monitoring, Step Counting, Heart Rate, Blood Oxygen variants, pricing tiers and key differences.
Learn moreHow variants differ
- Color
- Size
- Waterproof Depth
Who each variant is for
- Start with your budget: the visible price spread across variants is about 100%.
- Pick color and finish only after deciding on hardware requirements.
Reviews
2.5 / 5
from 22 ratings
No written reviews yet
Product confidence
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