Amazfit GTS 2e Where Style Meets Health Thin and Light Bezel-less Design HD Always-on AMOLED Display All-round Health and Fitness Tracking Long Battery Life The borderless design uses exquisitely crafted curved glass, which shimmers like a piece of crystal jade, to create a strong and integrated visual experience. The gorgeous and dynamic curves of the aluminum alloy body deliver a comfortable and light wearable experience, and the watch also incorporates vacuum coating on the glass surface to provide a more scratch- and wear-resistant screen. The 1.65-inch HD AMOLED screen is comparable in clarity to the latest smartphones. The 341ppi pixel density makes the display clear and true-to-life, with vivid colors ensuring smooth readability and keeping the watch as exquisite to look at as when you first lay your eyes on it. Take your pick from the three colors available and make the watch your versatile and fashionable companion, whether you’re dressing up for an occasion or heading to the gym. Equipped with the latest BioTrackerTM2 PPG high-precision optical sensor developed by Huami Technology and a powerful sensor engine, the watch truly realizes all-round health protection. SpO2 is a major indicator of human health. That's why our fully-upgraded watch includes an SpO2 measurement function. When you engage in sustained mental labor or do intense physical outdoor exercise such as marathons, you can test your SpO2 level the moment you start feeling unwell, to get a better understanding of your physical condition and keep your health under control. The watch features precision 24-hour heart rate monitoring, covering heart rate zones to keep you aware of the exercise effect, and providing warnings when your resting heart rate is abnormally elevated.