Amazfit GTS 2 Grey Smartwatch with Built-in Alexa and online/offline voice assistance. Featuring one of the best displays in the world offering a 3D curved glass with 341 ppi pixel density and HD AMOLED always-on display. Choose from a broad range of watch face themes so that you're always in style. Blood-oxygen saturation measurement, all-day heart rate monitoring, sleep quality monitoring, and stress level management. Receive and make calls directly from the watch via Bluetooth. Intelligent voice assistance can offer support anytime, anywhere. The Amazfit GTS 2 supports controlling mobile music playback through the watch, and with a massive 3GB of local music storage. Activate one of the built-in 90 sports modes and the smartwatch will produce a report which is viewable in the compatible Zepp app. GTS 2 can even escort you under water with it's 5 ATM water-resistance. Powerful 246 mAh battery lasting up to 7 days for typical usage, 20 days for basic usage, 3.5 days for heavy usage and 5 hours of continuous Bluetooth call. Smartwatch Tracker Features