Sony ULT WEAR Quick Start Manual page 14

The unconnected and connected status indications automatically turn off after a period of time has passed. They start
flashing again for a period of time when some operation is performed. When the remaining battery charge becomes low,
the indicator starts flashing in orange.
Other
Headphone cable connected (power is turned on)
- - - - - - - - (repeatedly flashes in blue at about 5-second intervals)
The indicator turns off automatically after a period of time has passed. When the remaining battery charge becomes
low, the indicator starts flashing in orange.
Updating software
---
Initialization completed
- - - - (flashes 4 times in blue)
For details, see "Initializing the headset to restore factory
Related Topic
Checking the remaining battery charge
Initializing the headset to restore factory settings
--- (repeatedly flashes slowly in blue)
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settings".
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