Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
R04 Smart Ring
Product details
General specs
- Model: R04
- Model: R04
- Gender: Men, Women
- Sports Mode: Multi
- Sleep Monitoring: Yes
- Health Monitoring: Yes
Starting from RUB 1,605.65
Last price update: 10/11/26
The R04 Smart Ring is a discreet health and fitness companion that tracks your heart rate, sleep stages, and activity throughout the day and night. With multi-sport modes, it accurately records your workouts while staying comfortable on your finger. Sync data to the app for personalized insights and long-term trends.
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| Brand | KVKVMO | Mirlray | Govllfoz | |||
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| Price | RUB 1,605.65 | RUB 1,731.63 | RUB 1,012.66 | RUB 1,194.81 | RUB 1,975.56 | RUB 4,813.73 |
| Seller | AliExpress | AliExpress | AliExpress | Retailer | Retailer | Retailer |
| Update | Sep 26, 2026 | Sep 26, 2026 | Sep 26, 2026 | Apr 27, 2026 | May 20, 2026 | May 20, 2026 |
| Water Resistance | 5ATM | IP68, 5ATM | 10ATM, waterproof | |||
| Waterproof Rating | IP68 | IP68, 5ATM | IP68 | |||
| Battery Life | 7-10 days | 5 days (regular use) | Long | |||
