HERAFit W 4+

Herafit W is a private health data management application that works with healthy watches to view health data such as sleep quality, heart rate, exercise, and support for sharing with Apple Health.

The main function (with the use of the watch):
Sleep quality management
Heart rate monitoring
Step count
motion
Check weather temperature and ultraviolet light (area open: Koren,Japan, China)

Other functions (for use with related watches):
Find phone
Message/social software reminder

note:
1. Turning on the phone GPS for a long time will reduce the battery life of the phone.
2. The weather function needs to obtain the GPS information of the mobile phone.
3. Turn on the phone Bluetooth when connecting the watch.
4. The watch's health data is pre-stored locally and synced when WearLog is connected.
5. This APP, along with compatible wearable devices, are general wellness / fitness products, not designed as a medical device, and cannot be used for the purpose of diagnosis, treatment, or prevention of illnesses.
6. Please note that heart rate, Sp02, optical or otherwise, are estimates and only for reference and recreational use and not intended for medical use of any kind.