R12M Smart Ring: Heart rate monitoring
Track your fitness and sleep with a ring that fits your lifestyle. The B29C-R12M Smart Ring is designed for active individuals who want continuous health data without the bulk of a wristband. Whether you are swimming laps, running errands, or sleeping, this ring stays on and accurate.
Unlike basic trackers, this ring offers multi-sport mode that automatically recognizes your activity. The heart rate monitor works 24/7, even underwater. The IP68 rating means you never need to take it off. Sleep tracking is seamless: wear it to bed and wake up to a detailed sleep stage report. The gentle vibration alarm wakes you without disturbing your partner.
Battery life lasts up to 7 days, and the ring syncs via Bluetooth to your smartphone app. You get insights on heart rate zones, steps, and calories burned. All this at a fraction of the cost of premium smart rings. Start your health journey with a ring that truly adapts to your day.
Features
- Sleep monitoring
- Multi-sport mode
- IP68 waterproof
- Fitness tracking
- Heart rate monitoring
General specs
- Model: R12M
- Seller: AliExpress
- ID: 1005011581478005
- Type: Smart Ring, Fitness Ring
- Model: B29C-R12M
- Gender: Men, Women
- Ring Size: 20mm, 19.8mm
- Sleep Monitor: Yes
- Mode Multi Sport: Yes
- Water Resistance: IP68
- Heart Rate Monitor: Yes
- 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
Russia
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Smart Ring Heart rate monitoring
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| Brand | Kuinha | |||||
| Model | B29C-R12M | R12M | B03B-R06 | R06 | ||
| Color |
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| Rating |
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| Price | RUB 1,233.25 | RUB 1,068.77 | RUB 1,173.31 | RUB 1,249.33 | RUB 1,242.02 | RUB 1,541.02 |
| Seller | AliExpress | AliExpress | AliExpress | AliExpress | Amazon | AliExpress |
| Update | Jun 18, 2026 | Jun 21, 2026 | Jun 18, 2026 | Jun 18, 2026 | Mar 21, 2026 | Jun 18, 2026 |
| Type | Smart Ring, Fitness Ring | Smart Ring | Smart Ring | |||
| Sleep Monitor | Yes | yes | Yes | |||
| Water Resistance | IP68 | IP68 | IP68 | |||
| Heart Rate Monitor | Yes | yes | Yes | |||
| Waterproof Rating | IP68 | IP68 | IP68 | |||
Smart Ring Heart rate monitoring
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