Monitoring your Heart Rate & Blood Pressure to help you exercise carefully and support you make a stronger sense of your strength standard. IP67 waterproof grade—please don’t bring it in warm water, Because warm water includes water vapor; please don’t put on this equipment while swimming as there may be a nearly large heat variation that might take water fog. Synchronize your sleep time every midnight and study your sleep quality by the sleep trend graphs; Accurately monitor total effective sleeping space and plans every midnight, you can further learn your sleeping capacity. Calories, Distance, Heart Rate Monitor, Sleep quality analysis, Call reminder, Alarm clock, Stopwatch, Search bracelet, etc. These amazing features are free, do not hesitate; App is more extensive, now it is an amended version. Besides, it is with great nature, appropriate, and fashion strap.