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 :
Amazon.com: AK Leather Band for Amazfit GTR 4/ GTR 3 Pro/ GTR 3/ GTR 2e/ GTR 2/ Amazfit GTR 47mm, 22mm Quick-Release Adjustable Strap with Metal Buckle for Women Men, Soft Replacement
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
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 :