Notes:<br />1. When receiving calls｣ｬ Android system will show the call ID while IOS will show the icon.<br />2. Be compatible for Android (os 4.3 or above and bluetooth must be 4.0 or above); for iphone (os 7.0 or above and bluetooth must be 4.0 or above)<br />3. Normal standby time lasts for 3 to 5 days｣ｬ while standby time can only last for 2 days if  heart rate monitor and  palming bright screen open all day.<br />4.Here are the operation video for your reference:https://www.youtube.com/watch?v=uZtmCWlJZw0.<br /><br />Main Features:<br />1. Display Health Parameters:  display time｣ｬ date｣ｬ steps｣ｬ distance and calories clearly. <br />2. Sync Sports Data<br />When bluetooth paired your smart phone｣ｬ you can sync your data to your cell phone(APP:HPlus Watch)<br />3. Heart Rate Monitor<br />It can monitor your heart rate to help you do exercise.<br />4. IP68 Waterproof<br />The IP68 waterproof  allows bracelet to be held in the rain｣ｬ in the process of washing hands.<br />5. Calls/SMS Notification<br />When you have calls or SMS｣ｬ the smart bracelet will vibrate to remind you. <br />6. Sleep Monitor: Monitor your deep/light sleep condition.<br />7.  Alarm Clock: wake you up in the morning or alert you the important things.<br />8. Sedentary Reminder<br />Bluetooth heart rate wristband will remind users to take timely rest to avoid fatigue to maintain good health according to your working time.<br />9. Low Power-wasting and Long Standby Time<br />Charging time