Haylou rs4 plus 1.78 inch 368*448px 60hz refresh rate amoled screen bt5.1 heart rate spo2 monitor temperature measurement 100+ watch dials 105 sports modes ip68 waterproof smart watch | 1950056

Haylou rs4 plus 1.78 inch 368*448px 60hz refresh rate amoled screen bt5.1 heart rate spo2 monitor temperature measurement 100+ watch dials 105 sports modes ip68 waterproof smart watch | 1950056

Haylou rs4 plus 1.78 inch 368*448px 60hz refresh rate amoled screen bt5.1 heart rate spo2 monitor temperature measurement 100+ watch dials 105 sports modes ip68 waterproof smart watch

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