A smartwatch with understated elegance for the fashion-conscious fitness enthusiast, The Amazfit GTR 3 Pro is the perfect combination of style and technology. Get the health data that matters to you more accurately and efficiently with the Amazfit GTR 3 Pro Smart Watch, you can test your heart rate, blood-oxygen saturation, stress level and breathing rate in a single tap of the watch, for a result in as little as 45 seconds. Its advanced health tracking option also including in-depth monitoring of sleep & sleep breathing quality and female cycle tracking. With over 150 built-in sports modes to suit your choice of activity and enable smart recognition of 8 sports modes. Comes with Alexa built-in and the ability to receive Bluetooth calls. Featuring a 450 mAh large compacity battery to offer enough endurance to last for up to 12 days a single full-charge with typical usage. Water-resistance of up to 50 meters and support GPS, GLONASS, Galileo, BDS and QZSS satellite navigation systems to accurately track your route. Compatible with Android 7.0 and above, iOS 12.0 and above device.