*New Watch Sensor : Lift Your Wrist to activate time display, display will be back to sleep soon to save battery. OLED display has a resolution of 64 x 32 pixels.* Your health monitor: Help you to keep a good habit,health and happiness follow you* Love life walking from now on: it will record your step,distance and calorie,which can help you to set the target. Monitor your sleep: it is able to detect how long you sleep,through its health software,count up your time of deep sleep,light sleep* Smart reminder: In-call reminder,sedentary reminder,drinking reminder,wake up alarm etc.TW64 is made by TPU Polymer composite materials,containing features like light,high resistant and high damage resistance.Light as feather,with advanced coloring and never fade,you are comfortable while wearing it which made with ergonomics,tested with 48 different position