About this item Hybrid smartwatches with sophisticated analog looks and advanced smart features o Battery life: up to five days in smart mode and an additional week in watch mode (hands tell time only) Stay connected with smart notifications for incoming calls, text messages, calendar view and more (with a compatible smartphone) Keeps track of your energy levels, Pulse Ox (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition), respiration, menstrual cycle, stress, sleep, estimated heart, hydration and more Connects with your compatible smartphone’s GPS to Track outdoor walk or run activities; Includes additional activity profiles such as yoga, strength, cardio and more Effortlessly change your look with industry standard or 20 mm quick release watch bands Hidden touchscreen display reacts to your movements and is only visible when you need it