Sony h.ear on 3 Mini Wireless Help Manual page 13

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 (red) starts flashing.
Other
Updating software
- -
Initialization completed
(flashes 4 times in blue)
For details, see "Initializing the headset to restore factory
- - (repeatedly flashes slowly in blue)
5-007-463-21(1) Copyright 2019 Sony Corporation
settings".
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