R13 SIZE 9 Smart Ring: Heart rate monitoring
Meet the R13 SIZE 9 Smart Ring—your new wrist's best friend, but for your finger. This isn't just any piece of tech; it's like having a mini health lab right there on your hand. Sleek? Absolutely. Smart? You bet. It keeps tabs on your heart rate like a nosy neighbor (but in a good way), checks your blood oxygen levels to make sure you're not turning into a zombie, and even judges your sleep (no pressure). And for those who can't sit still, its motion sensing is so sharp, it could probably tell you're gaming or working out before you do. Whether you're a health nut, a gaming fiend, or just someone who loves cool gadgets, this ring slips into your life like it was always meant to be there.
- Blood oxygen monitoring
- Sleep tracking
- Motion sensing
- Game control
- Heart rate monitoring
General specs
- Brand: R13
- Model: SIZE 9
- Seller: Sunsky
- Functions: Heart Rate Monitoring, Blood Oxygen Monitoring, Sleep Tracking, Motion Sensing, Game Control
- Compatibility: Smartphones
- First listed by seller: 7/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
R13 SIZE 9 Heart rate monitoring
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Multifunctional Smart Ring Motion sensor
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Fitness Tracker Ring Heart rate monitoring
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Health & Beauty PRODUCT R3 Health monitoring
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Smart Ring Health Tracker with Heart Rate and Blood Oxygen Monitor
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Smart Fitness Tracker Ring
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| Brand | R13 | Health & Beauty PRODUCT | Twievo | Health & Beauty PRODUCT | Delcast | |
| Model | SIZE 9 | R3 | M1 | |||
| Color | ||||||
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| Price | $14.50 | $78.76 | $39.99 | $49.33 | $39.99 | $55.99 |
| Seller | Sunsky | Joom | Amazon | Joom | Gshopper | Amazon |
| Update | August 26, 2025 | August 19, 2025 | July 18, 2025 | August 23, 2025 | July 25, 2024 | July 20, 2025 |
| Compatibility | Smartphones | Type 11 | Smartphones with Bluetooth | |||
