Sony SRS-X55 Help Manual page 50

Help Guide
How to Use
Personal Audio System
SRS-X55
Auto power off function
If the speaker satisfies the following conditions for a certain time, it turns off automatically.
When the speaker is in BLUETOOTH mode
No operation on the speaker.
No BLUETOOTH connection has been established between the speaker and a smartphone or mobile phone via
HFP/HSP.
No music (sound) is played when the speaker is connected to a BLUETOOTH device.
When the speaker is in AUDIO IN mode
No operation on the speaker.
No music (sound) is played on an audio device connected to the AUDIO IN jack or the music (sound) of an audio
device connected to the AUDIO IN jack is too small.
Note
The speaker turns off automatically if it satisfies the conditions above for a certain time even if the speaker is charging
a USB device that is connected to the DC OUT ONLY port (USB). If the speaker is being powered by the built-in
battery only, charging will stop when the speaker turns off.
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