functions:

* 2 cm TFT screen
* Built-in battery 85 mAh
* IP67 waterproof and dustproof (you can wear it in the rain, wash your hands, go rock climbing and other sports, but do not put it in hot water)
* Blood pressure monitor and heart rate monitor
* Several sport mode
* Supports iOS version 9.0 above and Android version 4.4 above
* Reminder: call reminders, SMS reminder
* More function: time display / clock, no, calories, distance, sleep, camera, on / off display, sleep monitoring (sleep time, sleep quality, stay up late), find the phone and find bracelet, alarm clock / medication / meeting / sedentary / drink reminder, remote controlled camera (shake to take pictures).
Note:
Portable devices monitor human activities through electronic sensors, and they are at the level of consumer electronics. it is normal for a certain deviation. the user must process the data objectively.
Please do not compare to hospital equipment about reading, it's not a medical device!
Before using, scan the QR code on the manual to download the app and connect it to the watch with the app.