B3 continuous dynamic heart rate smart bracelet sleep health monitoring IP67 waterproof

Parameter Description:
1, chip: Nrf51822 continuous heart rate: WK1069
2, 0.66 OLED display
3, host PC material, wristband TPU material
4, single touch button operation
5, 7 days data storage
6, battery 105mAh, fully charged for 8 days of continuous monitoring
7, equipment requirements: Android 4.4, IOS8.0 and above systems (except for special models)
8, waterproof: IP68

Color: red blue black

Function Description:
1. Real-time heart rate monitoring (automatically measure the current heart rate value every second. No need to open the APP to detect anytime, anywhere)
2, sleep monitoring (sleep duration, sleep quality, wake up, light sleep, deep sleep)
3, sports records (pedometer, calorie burning, mileage, can display the trend chart of each time period).
4, raise your hand to brighten the screen, shake a photo, find the bracelet function, data synchronization
5, support call reminder, SMS, WeChat, QQ push, alarm reminder