Powerful fuselage anti -fall and anti -smashing:Adopt polycarbonate+glass fiber+zinc alloy metal frame, which has high -strength and high hardnesscharacteristics. It has long -term use of non -dehydration and unchanged color, so that it has excellentwaterproof, anti -drop, dustproof and other three -proof performance, so that it is even if it is even it can still be used normally in the severe wind and dust immersion environment. - Tough appearance · Strict craftsmanship:The design of the mud sand protection bridge can not only prevent the sand fromblocking the gas pressure holes, but also improve the overall rigidity and intensity of the watch,but also make the visual experience of the product richer and unique. - HD large screen:The watch uses a 1.85 -inch 240*280resolution IPS full -view large -screenlarge screen, which shows moredelicate and clear, and the field of visionis more natural.110+ sports mode Expand self -boundary - Support more than 110 sports modes such as mountain climbing, cycling, swimming, andmore timely monitoring the center of sports center rate, distance, speed, and consumptionof important data to help you explore a larger world and continue toexpand your self -boundary. - Care about health care of you:PPG biological tracking optical sensor can easily measure - HR, Sp - O2, BP, respiratory rate andfemale physiological cyclemanagement, etc,and understand your health anytime, anywhere.