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Haylou RS4 Smartwatch Specifications:
- Product name: Haylou RS4
- Bluetooth connection: Bluetooth V5.1
- Main body size: 45.2*37.2*11.1mm
- Sensors: Heart rate sensor, motion sensor, blood oxygen sensor
- Strap width: 20mm
- Watch weight: 48.6g (with strap)
- Display: 1.78″ AMOLED display
- Resolution: 368×448
- Battery capacity: 230mAh
- Battery life: About 12 days (24 hours heart rate monitoring)
- System requirement: Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries.
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