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Amazon.com: Amazfit GTS 2 Smart Watch for Men Android iPhone, Bluetooth Phone Call, Built-in ALEXA & GPS, Fitness Watch with 90 Sports Modes, Blood Oxygen Heart Rate Sleep Tracker, 5 ATM Water
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Amazon.com: Amazfit GTR 4 Smart Watch for Men Android iPhone, Dual-Band GPS, Alexa Built-in, Bluetooth Calls, 150+ Sports Modes, 14-Day Battery Life, Heart Rate Blood Oxygen Monitor, 1.43”AMOLED Display, Grey : Electronics
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