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 KarenM M4 is a smartwatch for men with an MTK2503 chipset. It includes GPS, a compass, a heart rate monitor, and multi-language support.
Its stated functions are a sport watch and clock. The watch is listed as waterproof.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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KarenM M4 GPS
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Xiaomi Bip Waterproof
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Sport Smart Watch with Heart Rate and Blood Pressure Monitoring Waterproof.
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Smartwatch with touchscreen and monitoring features Full touchscreen
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COLMI SKY 3 Waterproof
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| Brand | KarenM | Xiaomi | COLMI | |||
| Model | M4 | Bip | DT78 | B57 | L10 | SKY 3 |
| Price | A$56.57 | A$117.53 | A$25.71 | A$17.62 | A$33.80 | A$47.02 |
| 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 |
| GPS | GPS | GPS | GPS | |||
| Water Resistance | Waterproof | Waterproof | Waterproof | Waterproof | waterproof | Waterproof |
| Heart Rate Monitoring | Heart Rate Monitor | Dynamic heart rate | Heart Rate Monitor | |||
| Product Type | Smart Watch | Smart Watch | Sport Smart Watches | Smart Watch | ||
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