About the indicator

You can check various statuses of the headset by the indicator.

: Turns on in blue / : Turns on in red / -: Turns off

The headset turns on when it is removed from the charging case.

- (flashes twice in blue)

In this case, when the remaining battery charge of the headset is 20% or lower (requires charging), the indicator lights successively as follows.

- - (repeatedly flashes slowly in red for about 15 seconds)

For details, see “Checking the remaining battery charge”.

If pairing is not established within 5 minutes, pairing mode is canceled, and the headset turns off.

(lights up in blue for about 2 seconds)

https://helpguide.sony.net/