Help Guide
Wireless Stereo Headset
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Checking the remaining battery charge
You can check the remaining battery charge of the rechargeable batteries of the headset and the charging case by the
following operations.
When you are using an iPhone or iPod touch (iOS 13 or later)
When the headset is connected to an iPhone or iPod touch via an HFP (Hands-free Profile) Bluetooth connection, you
can check the remaining battery charge of the headset on an iPhone or iPod touch. For more details, refer to the
operating instructions supplied with the iPhone or iPod touch.
The remaining charge which is displayed may differ from the actual remaining charge in some cases. Use it as a rough
estimate.
When you are using an Android™ smartphone (OS 8.1 or later)
When the headset is connected to an Android smartphone via an HFP Bluetooth connection, you can check the
remaining battery charge of the headset on the smartphone. For more details, refer to the operating instructions supplied
with the Android smartphone.
The remaining charge which is displayed may differ from the actual remaining charge in some cases. Use it as a rough
estimate.
Checking the remaining battery charge of the charging case
If the indicator (orange) on the charging case lights up when both headset units are removed from the charging case,
or when the charging case lid is opened or closed with no headset units stored, the remaining battery charge of the
charging case is between 30% and 1%. The charging case cannot sufficiently charge the headset with this remaining
level of battery charge.
If the indicator on the charging case does not light up when both headset units are removed from the charging case,
or when the charging case lid is opened or closed with no headset units stored, the remaining battery charge of the
charging case is at less than 1%. The headset cannot be charged with the charging case in this case.
Notification with voice guidance
When the remaining battery becomes low, a warning beep sounds when you put the headset into your ears or while
using the headset, and the voice guidance says, “Low battery”, so charge the headset as soon as possible.
When the battery becomes completely empty, a warning beep sounds, the voice guidance says, “Battery is empty”, and
the headset automatically turns off.
Hint
The remaining battery charge of the headset may be different on the left and right sides depending on how you use them.
When checking the remaining battery charge on an iPhone/iPod touch or Android smartphone while using both headset units, the
remaining battery charge of the headset unit with less remaining battery charge between the left and right headset units is
displayed. When using only one headset unit, the remaining battery charge of the headset 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 | Sound 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.
If you connect the headset to an iPhone/iPod touch or Android smartphone with “Media audio” (A2DP) only in a multipoint
connection, the remaining battery charge will not be displayed correctly.
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