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Help Guide
Wireless Noise Canceling Stereo Headset
WF-C700N
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.
If the remaining battery charge of the headset becomes low when the headset is removed from the
charging case or while using the headset
If a warning beep sounds and the voice guidance says, “Low battery”, 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.
When you are using an iPhone or iPod touch
When the headset is connected to an iPhone or iPod touch over an HFP (Hands-free Profile) Bluetooth connection, it will
show an icon that indicates the remaining battery charge of the headset on the screen of the iPhone or iPod touch.
The display position is an example.
A: Remaining battery charge of the headset
B: 100% - 71%
C: 70% - 51%
D: 50% - 21%
E: 20% or lower (requires charging)
The remaining battery charge of the headset is also displayed on the widget of an iPhone or iPod touch running iOS 11
or later. 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, select [Settings] - [Device
connection] - [Bluetooth] to display the remaining battery charge of the headset as “100%”, “70%”, “50%” or “20%” in the
connected Bluetooth device column. For details, refer to the operating instructions for 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 about 20% to 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 less than 1%. The headset cannot be charged with the charging case in this case.
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