Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
The Dingfeng E3 is a smartwatch for men with a full-touch round screen for touch-based operation. It is described as waterproof and includes heart rate, blood pressure, and blood oxygen monitoring.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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Dingfeng E3 Full-touch round screen
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Smartwatch with touchscreen and monitoring features Full touchscreen
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Full Round Touch Screen Smart Watch Full round display
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Smart Watch Full-screen touch display
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Waterproof Smartwatch with Blood Pressure and Heart Rate Monitoring Blood pressure monitoring
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Microwear L9 ECG monitoring
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| Model | E3 | L10 | DT78 | B57 | L9 | |
| Price | €20.63 | €20.81 | €15.83 | €19.90 | €11.75 | €32.48 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Water Resistance | Waterproof | waterproof | Waterproof | Waterproof | ||
| ECG | ECG | ECG | ECG | |||
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