Amazfit GTS 3 is the most powerful, easy-to-use smartwatch that combining cutting-edge health & fitness features and a fashionable slim & light design. The smartwatch adopts a 1.75-inch ultra HD AMOLED display which has increased by 14% compared with the previous generation and boasts a 72.4% screen-to-body ratio that's among the highest in the smartwatch industry. Match your mood, an outfit or the occasion with a wide selection of more than 100 stylish watch faces - or even upload your own photo as the background image for true personalization. Thanks to the advanced 6PD (six photodiodes) BioTrackerâ„¢ PPG 3.0 biometric sensor, GTS 3 can track your heart rate, blood-oxygen saturation, stress level and breathing rate in one single tap of the watch, for a result in as little as 45 seconds. And Its health management features also includes in-depth monitoring of sleep & sleep breathing quality and female cycle tracking. This sports watch is your next-level fitness partner with 150+ sports modes, smart recognition of 8 sports, and a water-resistance grade of 5 ATM. Comes with Alexa built-in and an offline voice assistant to liberate your hands, and supports GPS, GLONASS, Galileo, BDS and QZSS satellite navigation systems to accurately track your route. Super endurance that won't let you down, it can last for up to 12 days with typical usage and 20 days with battery saver mode. Compatible with Android 7.0 and above, iOS 12.0 and above device.