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Amazon.com: Amazfit GTR Mini Smart Watch with Step Tracking, Heart Rate & Blood Oxygen Sensor, GPS, Sleep Quality Monitoring, 14-Day Battery, AI Fitness App Enabled, 5 ATM Water Resistance, (Black) : Electronics
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Amazon.com: Amazfit GTR 2 Smart Watch for Men Android iPhone, 14-Day Battery Life, Alexa Built-in, Fitness Watch with GPS, Bluetooth Call, 90 Sports Modes, Blood Oxygen Heart Rate Tracker, 5 ATM Water
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