R12M Smart Ring: Heart rate monitoring
Designed for the fitness enthusiast who wants to track health without wearing a bulky wristband, this smart ring monitors your heart rate, sleep, and activity around the clock. Slip it on and you might forget it's there—until it catches your heart rate spike during a stressful meeting or records your deep sleep cycle.
The IP68 waterproof rating means you can swim, shower, or sweat without worry. With multi-sport mode, the ring automatically recognizes walks, runs, and cycling. The gentle vibration alerts you to call, text, or goal notifications. Use the free app to see detailed sleep stages, heart rate trends, and step counts.
Ideal for anyone who wants a discreet health companion. The silver finish works with any style. Charge lasts up to 5 days, so you can wear it nonstop. This smart ring gives you actionable data without the distraction of a screen.
Features
- Multi-sport mode
- Sleep monitoring
- IP68 waterproof
- Heart rate monitoring
General specs
- Model: R12M
- Seller: AliExpress
- ID: 1005010274872184
- Model: R12M
- Features: Heart Rate Monitoring, Multi-Sport Mode, Sleep Monitor
- Ring Size: 20
- Band Width: 0.78 in
- Water Resistance: IP68
- Compatible Gender: Men, Women
- First listed by seller: June 18, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
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| Brand | Kuinha | KYUHJU | ||||
| Model | R12M | R06 | B03B-R06 | R12M | ||
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| Price | €13.26 | €14.91 | €14.01 | €12.76 | €14.83 | €36.03 |
| Seller | AliExpress | AliExpress | AliExpress | AliExpress | Amazon | Amazon |
| Update | Jun 18, 2026 | Jun 18, 2026 | Jun 18, 2026 | Jun 19, 2026 | Mar 21, 2026 | May 29, 2026 |
| Water Resistance | IP68 | IP68 | IP68 | |||
| Waterproof Rating | IP68 | IP68 | IP68 daily waterproof | |||
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