Function: Blood Pressure Passometer Sleep Tracker Push Message Heart Rate Tracker Alarm Clock Remote Control Social Media Notifications Message Reminder Call Reminder APP Language: Korean,Russian,Spanish,English,German,Italian,Japanese,French Specification: Style: Sport Case Material: PLASTIC Waterproof Grade:Life Waterproof IP67 Screen Type: Color LCD Band Detachable: Yes Touch Screen: Yes Compatibility: All Compatible Blutooth: 4.0 Bettery: 150mAh System: IOS 9.0 & Android 5.0 above APP name: YOHO Sports, new version app is Fitpro Package include: 1 * Smart bracelet 1 * User manual 1 * Retail box(dose not include the charger, it is USB charging) 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 Yoho sports 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! -- It can not connect to the samsung cellphone, please check it before you buy it.