SUNROAD Smart Touch Screen Health&Fitness Tracker Activity Blood Pressure&Oxygen Sports Watch Heart Rate Measurement…

Amazon.com Price: $18,99 (as of 22/07/2021 22:30 PST- Details)

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Multi-function: time/heart rate monitoring/ blood pressure and blood oxygen measurement/sleep monitor/pedometer/stopwatch/calorie/distance/IPX67 waterproof.
Heart Rate Monitor: Real-time Heart Rate Monitoring during daily activities. Continuously monitoring your wrist based on Heart Rate to content to figure out the calorie burn.