Feature Function: Blood PressurePassometerSleep TrackerPush MessageHeart Rate TrackerBlood oxygenAlarm ClockRemote ControlSocial Media NotificationsMessage ReminderCall Reminder1.3 inch large screen color screen smart bracelet APP Language: Korean,Russian,Spanish,English,German,Italian,Japanese,French,Portuguese Specification:Style: SportCase Material: PLASTICWaterproof Grade:Life Waterproof IP67Screen Type: Color LCDBand Detachable: YesTouch Screen: YesCompatibility: All CompatibleBlutooth: 4.0Bettery: 180mAhSystem: IOS 9.0 & Android 5.0 aboveAPP name: Lefun health, please scan the code in the manual to download and install the app.  Package include:1 * Smart bracelet1 * User manual1 * Retail box(it is USB charging, there is no charger in the box)Note:Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively.--Please do not compared to hospital equipment about reading,it is NOT a medical device!--Before using, scan the QR code on the manual to download the app and connect it to the watch with APP. -- For Android user: Please always authorize the app access to all phone functions and always let it operating on. and please turn on the GPS on your phone before you connect it.--Please charge it for 2-3 hours when you receive it. it was run out of power after the long delivery. Thank you!Features:1. Step by step actuarial: Thanks to the long-life, low-power energy management system, the d13 can continuously record your daily walking steps, distance and calories burned.2. A variety of sports modes: the phone has a variety of sports modes built-in, no need to add on the phone, directly wear the bracelet to exercise, the bracelet can record all your sports data.3. Non-inductive wear: The wristband wristband is made of lightweight skin-friendly soft TPU material, which is lightweight and designed to be worn without feeling.4. Heart rate monitoring: equipped with wrist optical heart rate sensor, enter the heart rate test interface for a few seconds to display the current heart rate measurement results.5. IP67 dustproof and waterproof: Seven levels of waterproof, easy to use everyday, use worry-free.Descriptions:1. The message is clear at a glance: through the AP message reminder, the received WeChat, SMS and other information can be pushed to the bracelet.2.USB in-line convenient charging: no need to charge the cable, you can connect directly to the USB to charge. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a