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 W55 smartwatch has a 1.4-inch screen, GPS, an ECG function, and a heart rate monitor. Its stated case size is 44 mm / 40 mm.
Siri support is listed.
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| Brand | Apple | IWO | Apple | AGPTEK | ||
| Model | W55 | MEUX4LW/A | IWO12 | W55 | MEH34LW/A | LW11 |
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| Price | €45.52 | €382.81 | €44.16 | €45.79 | €215.41 | €23.43 |
| Seller | Alibaba | Retailer | Alibaba | Alibaba | Retailer | Retailer |
| Update | Nov 12, 2026 | Jun 24, 2026 | Nov 12, 2026 | Nov 12, 2026 | Jun 24, 2026 | May 6, 2026 |
| GPS | GPS | Built-in | GPS | Built-in | ||
| Product Type | Smart Watch | smartwatch | Smart Bracelet, Smartwatch | |||
| Battery Life | 1 | 18 | 15 | |||
| Connectivity | Wi-Fi | Wi-Fi | Bluetooth | |||
| Display Size | 1.81 | 40mm | 1.3 | |||
| Display Type | LED | Always-On Display | LED | |||
| Health Sensors | Heart Rate, ECG, SpO2, Blood Pressure, Temperature | Heart Rate, Temperature | Heart Rate, SpO2 | |||
| OS Compatibility | iOS | iOS | Android, iOS | |||
| Water Resistance | 5 ATM | Water Resistant | 5 ATM | |||
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