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Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, LTE, US Version, Green
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Galaxy Watch 4 won't pair with iPhone — and its best features won't work with non-Samsung phones | Tom's Guide
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Amazon.com: SAMSUNG Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, SM-R860NZKAXAA, Black
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Amazon.com: SAMSUNG Galaxy Watch Active (40MM, GPS, Bluetooth ) Smart Watch with Fitness Tracking, and Sleep Analysis - Black (US Version) : Electronics
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