Sony SRS-X9 - Manual (Page 343)

Personal Audio System
SRS-X9
A USB device cannot be charged.
Make sure the USB device is connected securely to the USB A port ( A). The USB device cannot be charged by
connecting to the USB B port ( B).
An unsupported USB device is connected. For details on compatible USB devices, refer to the URL in “ Compatible
USB devices .”
Related Topic
Compatible USB devices
Notes on use
4-535-194-11(3)
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