| Product name | Haylou RT2 |
| Main body size | 45.7 * 45.7 * 12.1 mm |
| Strap width | 22 mm |
| Watch weight | 55 g(with strap) |
| Display screen | 1.32" TFT display |
| Resolution | 360x360px |
| Bluetooth connection | Bluetooth V5.0 |
| Sensor | Heart rate sensor, motion sensor, blood oxygen sensor |
| Battery capacity | 300 mAh |
| System | Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different |
| requirement | watches, mobile phones, and countries. |
| Waterproof grade | IP68 |
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