Smart Wristband Heart Rate Monitor IP67 Sport Fitness

 Diggro S2 Smart Heart Rate Bracelet Sports Fitness Tracker Sleep Quality Monitor Call/Notification reminder IP67 Waterproof for Android IOS   Notes:  1.Be compatible for Android (Android 4.3 or above and Bluetooth must be 4.0 or above); for iphone (IOS7.0 or above and Bluetooth must be 4.0 or above) 2. App: Smart Wristband 3.IP67 Waterproof: Do not wear it while diving. The watch is waterproof when its lens and case are intact. 4.S2 will automatically recognize your state and analyse your sleep quality in the whole process like the time to fall asleep, the time of deep sleep and shallow sleep.  It can also provide your monthly sleep quality report.  Introduction: Have you ever wanted to plan you exercise scientifically? Have you ever wondered how your sleep reflects? How healthy you are? Diggro S2 Smart Bracelet can solve these problems at the same time. It can keep tracking of all important parameters like steps, distance and calories to help you adjust, regulate and eventually achi