Descriptions: * Compatible system:Android 5.0and above,IOS 9.0 or above * Screen:1.47 inch * Resolution:172*320 * Battery:180mAh * Charging time:about 1.5-2 H * Working Time:3-5 days,standby 5-7 day more→s or so * Waterproof rating:IP68 waterproof Features: *Call reminder push, SMS reminder push, exercise record (step counting, mileage, etc.), multi-dial switching, heart rate, blood pressure(abnormal heart rate reminder), blood oxygen, steps, sleep, weather, alarm clock, information reminder, sedentary reminder, drinking water reminder, lift wrist to brighten the screen, remote control photography, custom dial, female menstrual cycle reminder... * 20+ Sports Modes: Walking,Running,Riding,Jump …