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Amazon.com: Amazfit GTS 4 Smart Watch for Men, 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, Black :
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Amazfit GTS 4 Mini Smart Watch for Women Men, Alexa Built-in, GPS, Fitness Tracker with 120+ Sport Modes, 15-Day Battery Life, Heart Rate Blood Oxygen Monitor, Android Phone iPhone Compatible-Black
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