For Samsung Galaxy Watch Active 40mm SM-R500 SM R500 Housing Back Cover with Heart Rate
Amazon.com: SAMSUNG Galaxy Watch 6 44mm Bluetooth Smartwatch, Fitness Tracker, Personalized HR Zones, Advanced Sleep Coaching, Heart Monitor, BIA Sensor for Health Wellness Insights, Big Screen, US Version Silver
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Amazon.com: SAMSUNG Galaxy Watch 6 44mm Bluetooth Smartwatch, Fitness Tracker, Personalized HR Zones, Advanced Sleep Coaching, Heart Monitor, BIA Sensor for Health Wellness Insights, Big Screen, US Version Silver