Amazon.com: Amazfit GTR 3 Pro Smart Watch for Men,12-Day Battery Life, Alexa Built-in, Bluetooth Call & Text, GPS & 150 Sports Modes, 1.45”AMOLED Display, Fitness Watch with SpO2 Heart Rate Tracker, Brown :
Amazon.com: Replacement Charger Dock for Amazfit t-rex 2, Amazfit GTR 4,GTR 4 Pro, GTS 4, GTR 3, GTR 3 Pro, Portable Separable Magnetic Charging Dock with USB Charger Cable for Amazfit SmartWatch :
Amazon.com: Amazfit GTR 3 Smart Watch for Men, 21-Day Battery Life, Alexa Built-in, 150 Sports Modes & GPS, 1.39”AMOLED Display, SpO2 Heart Rate Tracker, Water Resistant, Fitness Watch for Android iPhone, Black :