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, Black :
Amazfit GTR 2e and Amazfit GTS 2e smartwatches officially launched in the US: Blood-oxygen saturation measurement and up to 45 days of battery life for US$139.99 - NotebookCheck.net News