Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
TD28 Round Full-Touch Screen Smartwatch
Product details
General specs
- Model: TD28
Starting from €11.87
Last price update: 9/22/26
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Round Screen Smart Watch Water resistance rating: IP68
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| Model | TD28 | CK20S | SANDA CF18 | DT78 | VIBE 5 PRO | K9 |
| Price | €11.87 | €15.69 | €18.43 | €14.73 | €29.45 | €11.16 |
| 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, Fitness tracker | Fitness Watch, Smartwatch, Smart Wrist Watches | Smart Watch | smart watch | ||
| Waterproof Rating | IP67 | IP67 | IP68 | |||
| Heart Rate Monitoring | Heart Rate Monitoring | heart rate monitoring | heart rate | |||
