Notes:<br />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)<br />2. App: Smart Wristband<br />3.IP67 Waterproof: Do not wear it while diving. The watch is waterproof when its lens and case are intact.<br />4.Operations: https://www.youtube.com/watch?v=5dQzN5gzrnM<br /><br />How to Charge:(1)pull out the main body from the band (2) insert the charger into USB port<br /><br />Main Features:<br />1. Display Health Parameters<br />This smart wristband can display the time｣ｬ date｣ｬ steps｣ｬ distance ｣ｬcalories and heart rate on OLED display clearly. Let you know your sports data immediately and plan your exercise scientifically!<br /><br />2. Sync Sports Data<br />When paired with your smart phone via bluetooth｣ｬ it will sync your data to the phone and give you a real-time assessment of your exercise throughout the day.(APP: Smart Wristband)<br /><br />3. Heart Rate Monitor<br />Wristband with a photoelectric heart rate sensor could monitor and hint the exercise heart rate to make you adjust the motion state scientifically and consume fat continuously and efficiently. <br /><br />4. Calls Reminder<br />Developed in order to avoid missing important incoming calls .Once the mobile phone bluetooth is connected｣ｬS2 will vibrate to hint you the incoming calls with call number or name even in noisy environment.<br /><br />5.SMS and Social Notice Reminder<br />When a no