Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
WNRTSA Gold, Size 6 Smart Ring
Available offers (2)
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Current
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Gold, Size 6
Retailer
€35.65
Available to order
Features
- Slim and lightweight design
- Heart rate monitoring
- Blood oxygen monitoring
- Sleep monitoring
- Long-lasting battery
- IP68 waterproof
- Compatible with iPhone and Android
General specs
- Brand: WNRTSA
- Seller: Retailer
- ID: B0GWFKXRR5
- Size: 6
- Design: Ultra-thin, All-day comfort
- Weight: Lightweight
- Material: Ergonomic ball-shaped bonding
- Finger Fit: Snug fit
- Battery Life: Long-lasting
- Target Users: Women, Men
- Compatibility: iPhone, Android
- Water Resistance: IP68
- Health Monitoring Features: Heart rate, Blood oxygen, Sleep monitoring
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Delivery to 
United States
United States
Available
This smart ring is designed for anyone wanting continuous health monitoring without a bulky wristband. Wear it while sleeping to track sleep stages, heart rate, and blood oxygen levels. The data helps you understand your recovery and readiness each morning.
The ultra-thin, lightweight design makes it easy to forget you're wearing it. It's IP68 waterproof, so you can wash your hands or exercise in the rain without worry. The long-lasting battery means you won't need to charge it every day. Compatible with iPhone and Android, it syncs seamlessly to show your trends over time.
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| Brand | WNRTSA | Nyweey | BIEMHA | Warchody | ZBNMY | Sqrutri |
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| Price | €35.65 | €53.48 | €98.07 | €40.99 | €88.27 | €79.34 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 27, 2026 | Apr 29, 2026 | May 29, 2026 | May 29, 2026 | May 29, 2026 | May 20, 2026 |
| Size | 6 | 7# | 8 | 9 | 7 | 9 |
| Material | Ergonomic ball-shaped bonding | all-titanium | Silver | |||
| Battery Life | Long-lasting | 2-3 days | 5-7 days per charge, 30+ days with charging case | N/A | ||
| Compatibility | iPhone, Android | iOS, Android | iOS, Android | iOS, Android | iOS, Android | iOS, Android |
| Waterproof Rating | IP68 | 5 ATM | IP68 | IP68 | ||
| Gender | Unisex | Men, Women | Unisex | |||
When this device makes sense
Product confidence
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