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Amazon.com: Amazfit GTS 4 Mini Smart Watch Unisex, Alexa GPS, Fitness Tracker w/ 120+ Sport Modes, 15-Day Battery Life, Heart Rate Blood Oxygen Monitor, Android Phone iPhone Compatible-Black (Renewed) : Electronics
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Amazon.com: Amazfit GTS Fitness Smartwatch with Heart Rate Monitor, 14-Day Battery Life, Music Control, 1.65" Display, Sleep and Swim Tracking, GPS, Water Resistant, Smart Notifications, Rose Pink : Electronics
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Amazon.com: Amazfit GTS 4 Smart Watch for Women, Dual-Band GPS, Alexa Built-in, Bluetooth Calls, 150+ Sports Modes, Heart Rate SPO₂ Monitor, 1.75” AMOLED Display, Health Fitness Watch for Android iPhone, White :
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