Sony SRS-X33 Help Manual page 88

Help Guide
Troubleshooting
Personal Audio System
SRS-X33
Unable to turn on the speaker or charge the built-in battery
Charge the built-in battery.
Make sure the micro-USB cable is firmly connected to the USB AC adaptor.
Make sure the USB AC adaptor is firmly connected to the speaker and the AC outlet.
Related Topic
Turning the power on
About the indicators
Connecting to an AC outlet
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