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 COLMI SKY 4 is a fitness tracker / smart watch with a 1.5-inch display and Bluetooth connectivity. It includes a phone call reminder function.
| This item | Recommendations | |||||
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COLMI COLMI SKY 4 Display size: 1.5 inches.
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Calling Smartwatch
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LANYAN W34 RTS Bluetooth calling
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NO.1 F18 Bluetooth 4.2
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IWO IWO W34 Compatible with iPhone
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Smart Watch Compatible with Android and Apple devices
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| Brand | COLMI | LANYAN | NO.1 | IWO | ||
| Model | COLMI SKY 4 | W34 RTS | F18 | IWO W34 | W68 Smart Watch Series 5 | |
| Price | A$27.70 | A$29.09 | A$20.34 | A$29.09 | A$19.37 | A$38.94 |
| 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 |
| Product Type | Fitness Tracker, Smart Watches | Smartwatch | Smart Watch | Smartwatch | Smart Watch | Smart Watch |
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