Ultimate Yayusi S2 Bluetooth Speaker Guide: Setup, Features, and Troubleshooting
The red light turns off or changes to blue when the battery hits 100%. A full charge takes roughly 3 to 4 hours. Common Troubleshooting Steps Potential Cause Speaker won't turn on Battery is completely dead.
Connect the charging cable (it acts as an external antenna). to switch to FM mode. Short press the Play/Pause button to auto-scan and save stations. to switch between saved stations. Charging and Battery Charging Port: Micro-USB. Indicator: Yayusi S2 Manual Pdf
Confirm changes by waiting 10 seconds for the indicator flashing to stop.
The cable acts as an external antenna to improve signal reception. Ultimate Yayusi S2 Bluetooth Speaker Guide: Setup, Features,
Select (or alternately "BT513" / "BT518" depending on local firmware variant batches) from your list.
Probably not. The genuine full manual usually ranges from 15MB to 45MB because it contains high-resolution wiring diagrams and exploded assembly views. A 2MB file is likely a low-resolution scan or a fake. Connect the charging cable (it acts as an external antenna)
: Short-press SET once so the Alarm 1 icon lights up. Long-press SET to enter adjustment mode.
Proper charging habits protect the long-term health of the internal battery.