Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
COLMI SKY4 Touchscreen Smart Watch with Heart Rate Monitor
Product details
General specs
- Brand: COLMI
- Model: SKY4
Starting from €21.42
Last price update: 9/22/26
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| Brand | COLMI | COLMI | Zeblaze | COLMI | ||
| Model | SKY4 | COLMI SKY 2 | CY16 | VIBE 5 PRO | B57 | |
| Price | €21.42 | €9.32 | €13.39 | €29.45 | €17.40 | €9.80 |
| 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 | smart watch | Smart Watch | Smart watch | Smart watch | Smart Watch | |
| Heart Rate Monitoring | heart rate monitor | heart rate monitoring | Yes | |||
| Water Resistance | Waterproof | waterproof | Waterproof | |||
| Ingress Protection Rating | IP68 | IP67 | IP68 | |||
