Amazfit GTS 4 Smart Watch with Step Tracking, Heart Rate & SpO2 Tracking, Alexa Built-In, Sleep Quality Monitoring, GPS, Bluetooth Calls & Text, 8-Day

【Strong & Precise GPS Tracking and Navigation】The Amazfit GTS 4 smart watch uses Industry-first dual-band circularly-polarized GPS antenna technology,

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The Amazfit GTS 4 smartwatch uses Industry-first dual-band circularly-polarized GPS antenna technology, for stronger positioning that's 99% as accurate as top handheld GPS locators. The Ultimate Personal Assistant with Alexa Built-in and support Offline Voice Assistant. The GTS 4 debuts the new BioTracker 4.0 PPG biometric sensor, you can enjoy more accurate 24-hour monitoring of heart rate, blood-oxygen saturation, and stress levels.

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Amazfit GTS 3 Smart Watch for Women, Alexa Built-In, Health & Fitness Tracker with GPS, 150 Sports Modes, 1.75”AMOLED Display, 12-Day Battery Life, Blood Oxygen Heart Rate Tracking, Ivory White - Yahoo Shopping

【Position with Precision】Amazfit GTS 4 Mini smart watch supports 5 satellite positioning systems to help you make the most of your journeys into the

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

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Amazfit GTS 3 Smart Watch for Women, Alexa Built-In, Health & Fitness Tracker with GPS, 150 Sports Modes, 1.75”AMOLED Display, 12-Day Battery Life, Blood Oxygen Heart Rate Tracking, Ivory White - Yahoo Shopping