1. Heart rate sensor: RHS33012. Memory: 64M Gravity sensor: SC7A203. LCD: 1.3 “”inch TFT battery capacity: 290mAh4. Working hours: 5-7 days5. Waterproof level: IP686. Connection mode: Bluetooth 5.17. Charging mode: magnetic seat charging8. Device version requirements: Android 4.4/ios 8.5+
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