Style strap Colour black Screen size 1.28 Inches Special feature Sleep Monitor, Pedometer, Sport Modes, calorie counter, heart-rate-monitor Shape Round Target audience Men,Women Age range (description) Adult Compatible devices Smartphone Display type Digital Blood Pressure Watch&Heart Rate Monitor WatchAlways pay attention to the health index,display the measurement results directly on the watch,synchronize to the mobile phone APP,keep an eye on your physical condition Lightly Smart Watch1.28-inch full touch screen with metal watch case,suitable for any occasion and sport,exercise sweating is easier to handle.Multiple standby UI pages can be shifted at any time Enjoy ExerciseBuilt-in multiple exercise modes,when you exercise,turn on the corresponding exercise mode,calculate the calorie consumption,let you make your own workout plan for your health goals Incoming Call ReminderAfter the APP is connected and paired,you can directly refuse to answer the call on the bracelet anytime,anywhere,and experience the convenient life,it also can syn messages IP67 Waterproof&Long Battery LifeIP67 Waterproof,can be used normally in scenes such as washing hands/rain/Swimming.Long battery life,about 5 days use time and 15 days standby time,supports iOS 9.0 and above,Android 5.0 and above smartphones(not for PC, iPad or Tablet).