DB04 OLED Heart Rate Blood Pressure SPO2 Sleep Monitor IP67 Waterproof Smart Watch Bracelet

Function Time and date sync with the phone Steps support Calories support Kilometer support Blood pressure monitoring support Heart rate monitoring support Sleep monitoring support Fatigue rating support Alarm clock(optional) set on the app Shake to light up screen support Swimming not support Call alert support Note alert support Real time message alert support Wechat sport support APP/APK Android system scan the code to down load IOS system scan the code to down load Parameter Specification System compatible IOS iphone4S IOS8.0 and above android 4.3 and above bluetooth BLE4.0 Chip of bluetooth nRF52832 Sensor of bp and hr PPG Sensor of accelerated velocity Triaxial Screen size OLED 0.96 Resolution ratio of screen 128*64 Dots Battery capacity 60mAh Stand by time 192 hours Using time 72 hours continuous heart rate monitoring 12-18 hours Charging time USB Power 5V 500mA Charging time About 0.5 Operation Touch screen Language English/ Chinese Motor Vibrating motor Waterproof IP68