Domhong R03 Smart Ring: Heart rate and blood oxygen monitoring
For the active individual who wants to track health without a bulky device, the Domhong Smart Ring offers a discreet way to monitor your fitness and wellness. While many wearables focus on alerts, this ring provides peace of mind through continuous, silent tracking—ideal for checking your stress levels during a busy workday or monitoring your heart rate during a morning run.
Its sensors capture subtle changes, like a slight dip in blood oxygen during sleep, giving you actionable insights to improve rest. With no app subscription, you keep full access to your data, and the long battery life means it works for days without interruption. Use the remote control to take photos effortlessly, making it perfect for capturing moments hands-free.
Features
- No app subscription required
- 5ATM waterproof and IP68 rating
- Long battery life up to 7 days
- Multiple exercise modes tracking
- Remote control photography feature
- Heart rate and blood oxygen monitoring
General specs
- Brand: Domhong
- Model: R03
- Seller: Retailer
- ID: B0DZ2875TK
- Size: 9
- Battery Life: 5–7 d
- Water Resistance: 5ATM
- First listed by seller: June 6, 2025
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Russia
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Domhong R03 Black Heart rate and blood oxygen monitoring
|
UniJethro SR11M Silver Heart rate and SpO2 monitoring
|
Smart Ring 24/7 Health Insights
|
UniJethro SR11M Rose Gold Heart rate monitoring
|
Oura JZ90-54144-11 Black Comprehensive health tracking
|
COLMI R06 Heart rate monitor
|
|
| Brand | Domhong | UniJethro | Rugsoul | UniJethro | Oura | COLMI |
| Model | R03 | SR11M | SR11M | JZ90-54144-11 | R06 | |
| Color |
|
|
|
|
||
| Rating |
|
|
|
|
|
|
| Price | RUB 3,099.40 | RUB 3,463.12 | RUB 5,975.38 | RUB 3,463.12 | RUB 29,356.44 | RUB 11,204.20 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Joom |
| Update | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | May 29, 2026 | Mar 21, 2026 | Feb 10, 2026 |
| Size | 9 | 8 | 7# | 11 | ||
| Battery Life | 5–7 d | 5-7 days | 5-7 days | 5 to 8 days | ||
| Width | 0.31 inches | 0.31 inches | 1.1023622036 inches | |||
| Height | 2 inches | 2 inches | 0.2755905509 inches | |||
| Length | 2 inches | 2 inches | 1.1023622036 inches | |||
Domhong R03 Black Heart rate and blood oxygen monitoring
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.