Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Smart Ring
If you are interested in more details, you can find full information on the seller's page.
€20.07
Last price update: 11/2/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Product details
Features
- Described as waterproof; no rating is stated.
- Listed for multiple sport fitness.
- Intended for women.
- Monitors heart rate, blood oxygen, HRV, stress, and sleep.
A smart ring with heart rate, blood oxygen, HRV, stress, and sleep monitoring. It is described as waterproof, with no rating stated, and is listed for multiple sport fitness and for women.
General specs
- Seller: AliExpress
- ID: 1005012897105814
- Product Type: Smart ring
- HRV monitoring: HRV monitoring
- Sleep Monitoring: Sleep monitoring
- Water Resistance: Described as waterproof; no rating stated
- Intended audience: Women
- Stress monitoring: Stress monitoring
- Heart Rate Monitoring: Heart rate monitoring
- Sport and fitness use: Listed for multiple sport fitness
- Blood Oxygen Monitoring: Blood oxygen monitoring
- First listed by seller: October 7, 2026
Price History for seller AliExpress
| Date | Price |
|---|---|
| 11/2/26 | €20.07 |
| 10/7/26 | €20.51 |
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| Brand | TESKKR | VAMOTRA | opove | VIVIYO | VAMOTRA | |
| Model | R191121 | O Ring | 9 | |||
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| Price | €20.07 | €71.37 | €35.68 | €214.13 | €35.68 | €35.68 |
| Seller | AliExpress | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Nov 4, 2026 | May 1, 2026 | May 20, 2026 | May 20, 2026 | May 29, 2026 | Apr 17, 2026 |
| Water Resistance | Described as waterproof; no rating stated | Safe for everyday wear, sports, swimming | 5ATM (water resistant up to 164 ft) | Unspecified | 10ATM | |
| Size | 8# | #6 | 10 | 9 (US) | ||
| Weight | 0.00110231131 pounds | 0.007 lbs | Lightweight (unspecified) | |||
| Compatibility | iOS, Android | iPhone, Android | Android, iOS | iOS and Android (unspecified) | iPhone, Android | |
| Subscription Fee | No | None | None | |||
Smart Ring
€20.07
When this device makes sense
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