Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
JAKCOM R3 Heart Rate Monitor / AMOLED Smart Ring with Heart Rate Monitor, Fitness Tracker and AMOLED Display
Available offers (7)
Current
Heart Rate Monitor / AMOLED
Alibaba
€15.97
Available to order
Features
- Heart rate monitor
- Fitness tracker
- AMOLED display
General specs
- Brand: JAKCOM
- Model: R3
- Seller: Alibaba
- ID: 60610868372
- Brand: Jakcom
- Model: R3
- Features: Heart Rate Monitor, Fitness Tracker
- Product Type: Smart Ring
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€15.97
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The Jakcom R3 is a smart ring listed as a 2017 model. It has a heart rate monitor, fitness tracking, and an AMOLED display. The monitor provides a way to check heart rate, while the display presents information visually.
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| Brand | JAKCOM | Ola Esporte | ZBNMY | BENIO | opove | Amazfit |
| Model | R3 | SY16 | Gen4 | O Ring | Amazfit GTR (2019) | |
| Rating |
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| Price | €15.97 | €19.78 | €88.27 | €41.00 | €213.97 | €118.58 |
| Seller | Alibaba | AliExpress | Retailer | Retailer | Retailer | Alibaba |
| Update | Oct 26, 2026 | Oct 26, 2026 | May 29, 2026 | Apr 27, 2026 | May 20, 2026 | Oct 26, 2026 |
| Product Type | Smart Ring | Smart Ring | smartwatch | |||
| Size | 7 | 9 | 10 | |||
JAKCOM R3 Heart rate monitor
€15.97
When this device makes sense
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