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Amazon.com: Amazfit GTR 4 Smart Watch with GPS, Sleep Quality Monitoring, Step Tracking, Heart Rate & SpO2 Sensor, Alexa Built-In, Bluetooth Calls & Text, 14-Day Battery Life, AI Fitness App & Sports
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Amazon.com: Amazfit GTR 4 Smart Watch with GPS, Sleep Quality Monitoring, Step Tracking, Heart Rate & SpO2 Sensor, Alexa Built-In, Bluetooth Calls & Text, 14-Day Battery Life, AI Fitness App & Sports
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Amazon.com: Amazfit GTR Smartwatch, Classic Design, 24/7 Heart Rate Monitor, Music Control, GPS, 10-Day Battery Life, 12-Sport Modes, Water Resistant, Starry Black (W1910US1N) : Electronics
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