R11 Smart Ring: Heart rate monitoring
Meet the R11 Smart Ring—your new fitness buddy that’s as versatile as you are. Whether you’re checking your heart rate mid-run, keeping tabs on your blood oxygen levels, or just curious about how well you slept (or didn’t), this little gadget’s got you covered. And with multiple sports modes, it’s like having a personal coach for every activity under the sun.
Powered by a Realtek chipset and Bluetooth 5.2, it connects faster than you can say “where’s my phone?” The battery? A 15mAh powerhouse that lasts 5-7 days on a single charge (or 15 days if you’re just showing it off). And when it does need juice, a 1.5-hour wireless charge gets it back in action. Plus, with a 5ATM waterproof rating, it laughs in the face of rain, sweat, and even your clumsiest water spills.
But wait, there’s more (because why not?). Snap photos from afar with remote photo control, find your ring when it plays hide and seek (ring search), flip through your playlist with a flick of the wrist (gesture control), or even game on the go. Works with Android 5.1+ and iOS 8.0+, and speaks your language thanks to the QRing app. So, ready to upgrade your wrist game?
- Blood oxygen saturation
- Sleep tracking
- Multiple sports modes
- Wireless charging
- 5ATM waterproof
- Heart rate monitoring
General specs
- Model: R11
- Seller: Sunsky
- Chipset: Realtek
- Bluetooth: 5.2
- Sensor chip: ST LIS2DOC
- Battery Capacity: 15mAh
- Battery life: 5-7 days of use, 15 days of standby
- Charging time: About 1.5H
- Waterproof: 5ATM
- Size: Dia 20mm, Circumference 62.8mm
- Charging method: Wireless charging
- Compatible system: Android5.1 or above, iOS8.0 or above
- APP: QRing
- First listed by seller: 5/26/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
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| Brand | Delcast | SACOSDING Smart Watch | VNEXFU | |||
| Model | R11 | R09 SIZE 9 | ||||
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| Price | $18.26 | $15.41 | $55.99 | $47.63 | $29.99 | $16.78 |
| Seller | Sunsky | Sunsky | Amazon | Joom | Amazon | Amazon |
| Update | May 24, 2025 | August 23, 2025 | July 20, 2025 | August 16, 2025 | July 20, 2025 | June 27, 2025 |
| Battery life | 5-7 days of use, 15 days of standby | 5-7 days of use, 15 days of standby | 8 hours | |||
| Compatibility | Android, iOS | Bluetooth | iOS, Android | |||