best heart rate monitor watch without chest strap

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P38 Heart Rate Monitoring Smart Watch Features: 1.69 inch HD screen Full touch Heart rate, blood pressure, blood exygen monitor Sleep monitor Message ...

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Best smart watch with heart rate monitor , Step Counter , Notifications smartwatch, a small smartphone-like device worn on the wrist. Many smartwatche...

Product Specification Case Material Zinc Alloy Lens hardness glass Back Stainless steel Water Resistant 3ATM Crown Stainless steel Model ABS:1511,STEE...

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Specification: Specification:1.Chip: Telink 2.Display :1.3 inch (160*80),single touch panel 3.Battery: 150 mah 4.Standby time: 10 days 5.Material:Zinc...

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