Yayusi S2 User Manual Hot! Jun 2026

| Function | How to Access | |----------|----------------| | Step counter / Heart rate | Swipe to health screen | | Sleep monitoring | Auto-detects after 4+ hours of sleep | | Message notifications | Enable in app → Notifications → Select apps | | Sports modes | Press side button → Choose mode (walk, run, bike) | | Music control | Swipe to music panel (must be playing on phone) | | Find my phone | Hold function key for 3 seconds (in Bluetooth range) |

Most Yayusi S2 manuals outline a similar first-time setup:

, which covers cycling through "TIME > DATE > ALARM" using the MODE key. Alarm Controls

| 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. | yayusi s2 user manual

Note: Low battery will cause the sound to distort or the display to flicker. Charge promptly to protect battery health. ⏰ Setting the Time and Clock

Insert the USB-C cable, which often acts as an antenna. This guide is based on general Go to product viewer dialog for this item.

To disconnect, you can either turn off Bluetooth on your device or long-press the button to switch modes. 3. Setting the Time & Date | Function | How to Access | |----------|----------------|

To set the alarm, press the button until the alarm icon flashes, then follow similar steps to set the wake-up time.

Double-click or long-press the button until the alarm icon flashes.

Insert a MicroSD card loaded with MP3 audio files into the rear slot. | | Cannot receive calls/messages | 1

Depending on usage: 7 days (continuous heart rate monitoring) up to 30 days (standby, occasional sync).

The Yayusi S2 comes with a range of innovative features, including:

Yes. The app supports multiple devices. Each S2 must be named individually (e.g., “Kitchen Scale,” “Living Room Monitor”).