letto

App is used to connect our Bluetooth low-power watch to realize the following core functions:

1) When the user receives a call, the number and name of the contact person will be displayed on the watch, and you can answer or end the call on the watch

2) When a user receives a short message or message, the received information is displayed on the watch

3) Display the heart rate, calories and other sports related data collected by the watch

When the user's mobile phone is not around, it is one of the core functions of app to display the call number and contact person on the watch, and can answer or hang up, which can greatly facilitate the user