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.
IWO 11 and IWO 12 are Series 5 smartwatches offered with 40 mm or 44 mm case sizes. Listed features include Bluetooth calling, waterproof construction, compatibility with Apple devices, heart rate monitoring, and ECG monitoring.
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Smart Watch with 1.83" HD Touch Screen, Bluetooth Call 1.83-inch HD full-view display
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| Brand | IWO | Zeblaze | Jacoosa | |||
| Model | IWO 11 / IWO 12 | W55 | IWO 12 | VIBE3 PRO | KW19 | |
| Price | €47.81 | €46.08 | €45.36 | €36.20 | €10.34 | €18.32 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Retailer |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | May 20, 2026 |
| Series | Series 5 | 5 | Series 5 | |||
| Product Type | Smart Watch, Smartwatch | Smart Bracelet, Smartwatch | Smart Watch, Smartwatch | Smartwatch | ||
| Water Resistance | Waterproof | Waterproof | Waterproof | waterproof | 5 ATM (50 meters) | |
| Bluetooth Calling | Bt Call | Bluetooth Call | Yes | |||
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