Android 5.1 and above, IOS 8.0 and above
Bluetooth 4.0 
Screen display: 1.14inch TFT                                                         
Battery Capacity: 105mAh                                                                                       
Function: Steps, Distance, Calorie, Heart Rate, Blood Pressure,
Blood Oxygen, Notification, Sports, Sleep monitoring, Sedentary reminder,  Remote selfie, Find Phone, Stop Watch, Brightness                       
Chargeing Time: 1-2 hr                                                                                                    
Standby Time: 7 days                                                                                          
Waterproof level: IP67                                                                                                    
App: JYouPro