Checking the remaining battery charge Sony WH-CH710N

Checking the remaining battery charge Sony WH-CH710N 

You can check the remaining battery charge of the rechargeable battery.

When you press the  (power) button while the headset is on, a voice guidance indicating the remaining battery charge can be heard.

“Battery about XX %” (The “XX” value indicates the approximate remaining charge.)

“Battery fully charged”

The remaining battery charge indicated by the voice guidance may differ from the actual remaining charge in some cases. Please use it as a rough estimate.

In addition, the indicator (red) flashes for about 15 seconds if the remaining battery charge is 20% or lower when the headset is turned on.

When the remaining charge becomes low

A warning beep sounds and the color of the operating indicator (blue) becomes red. If you hear the voice guidance say, “Low battery, please recharge headset”, charge the headset as soon as possible.

When the battery becomes completely empty, a warning beep sounds, the voice guidance says, “Please recharge headset. Power off”, and the headset automatically turns off.

https://helpguide.sony.net/