To set the clock, long-press the button until the hours flash, then use the +/- buttons to adjust.

The Yayusi S2 comes with a range of advanced features that set it apart from other devices on the market. Here are some of the key features:

Before you consult any Yayusi S2 user manual, verify that your package includes all necessary components. A typical retail package contains:

Short press the button to select Alarm 1 or Alarm 2 (indicated by an icon on the screen).

| Problem | Solution | | :--- | :--- | | | Battery may be fully drained. Charge it for at least 10 minutes before trying to turn it on. | | Cannot receive calls/messages | 1. Ensure the Bluetooth icon on the watch is "Connected". 2. Check if "Do Not Disturb" mode is off on the watch. 3. Ensure the app has Notification Permission in your phone settings. | | Heart rate inaccurate | Wear the watch tighter. Do not wear it on the wrist bone. Ensure the sensor on the back is clean. | | Watch disconnected often | Go to your phone's Bluetooth settings, "Forget" the device, and re-pair it through the app. |