With the tůw Smartwatch app, you will be able to pair your tůw Smartwatch via Bluetooth 5.0 and begin tracking ůr wellness. You can monitor your steps,sleep, heart rate, set alarms, and provides a GPS recording of the path you ran.This tůw Smartwatch app can also inform you about incoming calls, SMS or other Social Media notifications. It also allows you to set an alarm clock and has a sedentary reminder. Note: 1. Continued use of GPS running in the background can dramatically decrease battery life. 2. Support background to find the function of mobile phone 3. Save step, distance, calories, sleep data to healthkit