charging case is less than 1%. The headset cannot be charged with the charging case in this case.
Hint
The remaining battery charge of the headset may be different on the left and right sides depending on how you use them.
When using both units of the headset, the remaining battery charge of the unit with less remaining battery charge between the
left and right units is displayed.
When using only one unit of the headset, the remaining battery charge of the unit you are using is displayed.
You can also check the remaining battery charge of the headset unit and the charging case with the “Sony | Headphones
Connect” app. Android smartphones and iPhone/iPod touch both support this app.
Note
If the headset and smartphone are not connected with HFP, the remaining battery charge will not be correctly displayed.
The remaining battery charge may not be properly displayed immediately after a software update or if the headset has not been
used for a long time. In this case, repeatedly charge and discharge the battery multiple times to properly display the remaining
battery charge.
Related Topic
What you can do with the “Sony | Headphones Connect” app
About the indicator
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