Instructions for the first user : When using this equipment for the first time, The smart bracelet battery has no power, please take out the device , charger it firstThe charging clip caught on the host of the smart bracelet during the charging ,the palping foot on the charging lip align to the palping foot on the main body .The screen will have light and in clock screen when touch button be clicked . single click can switch different pages .the screen will out of light when no action happened after 6 seconds.Compatible with Android ( Android 4.4 or above ); for iPhone ( iOS 8.5 or above ) Main Features:- Bluetooth SynchronizationWith Bluetooth 4.0, this smart bracelet is available for smartphones with Bluetooth function- Professional Heart Rate DetectionWhether you are resting or doing sports, detect your heart rate accurately- Intelligent Anti-lostWatch will send an alarm after leaving the mobile phone in a certain distance, no need to worry about losing your phone- Remote CameraControl your smartphone to take photos, catching every moment you want- Sport MonitorThis smart bracelet can record steps, calories and distance, so you can know your sports data, adjust your exercise program and live a healthier life- Sleep MonitorAccurately monitor total effective sleeping time and motion time every night, helping you develop good living habits- Sedentary ReminderDevelop scientific habits and effectively resist sub-health- APP supports languages: English, Japanese, Simplified Chinese, Traditional Chinese, French, German, Russian, Romanian- The watch not supports languages: Arabic, Thai-The bracelet is an international version, only English, but the content of the message will synchronize the language of the phone（Support English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish） Function :MAIN FUNCTION- Pedometer, Calories, Distance, Heart Rate Monitor, Sleep quality measurement, Call reminder, Alarm clock, Search bracelet and so on, Lightweight 20g quite convenient even wear it sleeping.Responsive OLED Touch Screen - by short touch/long touch 5 seconds of the only key,you can easily read the steps counting, heart rate, calories, time, date, messages, etc.Key Specifications - Bluetooth 4.0. Supports IOS 8.5 or above ,Android 4.4 or above (Download APP from Apple Store or Google Play. Smart phone only, not for PC or Tablet).Bracelet language-- Sync with your phone language OR English.Lightweisght and breathable design ,makes your life healthy and fashional, Notes:Bluetooth Version: Bluetooth 4.0Screen type: Color ScreenCompatible OS: Android,IOSCompatibility: Android 4.4 / iOS 8.5 and above systemBattery Type: Lithium Polymer BatteryStandby time: 3 DaysFunctions: Alarm Clock,Camera remote control,Distance recording,Find your phone,Pedometer,Sedentary reminder,Sleep managementShape of the dial: RectangleCase material: PCBand material: SilicaYou can't put it in water and can't swim with it The bracelet can't touch the hot water because the hot water has water vapor.Package Contents:1 x Smart Bracelet,1 x English and Chinese Manual ,1x charger TipsDownload"Wearfit " App from Apple Store and Android Market or scan a QR Code in the instructions.You need to align the charger with the charging port exactly, and then the screen shows the charge status.Hold down the bulgy button below the screen,until boot screen with shock If bracelet does not sync properly to phone. Some of data does not come to phone—Make sure your phone Bluetooth is openReboot your bracelet and open your phone’s BluetoothThere is a little difference according to people’s skin.Please make it turn over and close to the pulse if it can't reading when monitor HRThe adopted algorithm will identify heart rate automaticallyNote: After receiving your smart bracelet, you may need to charge it for 2 hours for it to function.