Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Smartwatch
Product details
General specs
Starting from €47.70
Last price update: 9/22/26
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| Brand | COLMI | COLMI | Zeblaze | Zeblaze | ||
| Model | SKY4 | P70 | VIBE3 PRO | VIBE 5 PRO | ||
| Price | €47.70 | €17.40 | €21.42 | €19.90 | €35.61 | €29.45 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 |
| Product Type | SmartWatch | Smart watch | smart watch | |||
| Ingress Protection Rating | IP67 | IP68 | IP68 | IP67 | ||
| Heart Rate Monitoring | heart rate monitor | Dynamic heart rate | Heart Rate Monitoring | heart rate monitoring | ||
