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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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Amazon.com: Amazfit Gtr Smartwatch with Gps+Glonass, All-Day Heart Rate Monitor, Daily Activity Tracker Rate and Activity Tracking, 10-Day Battery Life, 12- Sport Modes, 42mm, Coral Red : Electronics
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