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speaker is displayed along with the connected BLUETOOTH device name. For details, refer to the operating
instructions supplied with the Android smartphone.
Note that the remaining battery power displayed on the smartphone may vary from the actual remaining battery
power of the speaker. Consider this information as a reference.
When using the iPhone/iPod touch with iOS 10.0 or later installed
While the speaker is connected with the iPhone/iPod touch via an HFP (Hands-free Profile) BLUETOOTH
connection, the remaining battery power of the speaker is displayed on the widget screen of the iPhone/iPod touch.
For details, refer to the operating instructions supplied with the iPhone/iPod touch.
Note that the remaining battery power displayed on the iPhone/iPod touch may vary from the actual remaining
battery power of the speaker. Consider this information as a reference.
Built-in battery life (using a BLUETOOTH connection)
About 16 hours
The volume level of the speaker is set to 26.
About 5 hours
The volume level of the speaker is set to maximum (31).
The built-in battery life above is measured using our specified music source.
Actual performance time may vary from the listed time due to the volume, songs played, surrounding temperature, and
usage conditions.
When the built-in battery is running low
When the CHARGE indicator starts flashing slowly, the built-in battery is running low and needs to be charged.
If the CHARGE indicator flashes in orange 3 times and goes out when you turn on the speaker, the built-in battery is
empty and needs to be charged.
Hint
You can charge the speaker's built-in battery by connecting the USB cable connected with the speaker to a computer that comes
equipped with a USB charging port as well. However, not all the computers are tested and found compatible with this procedure
and the procedure is not applicable to home-built computers.
As long as the speaker is connected to an AC outlet by a USB AC adaptor (commercially available) or to a computer that comes
equipped with a USB charging port, the speaker's built-in battery is capable of charging itself even while music playback from the
speaker is in progress. However, it may take a long time before charging completes depending on the usage of the speaker. It is
recommended that you turn off the speaker before battery charging.
Note
Depending on the type or specifications of the USB AC adaptor, if you use the speaker at a loud volume, the remaining power of
the rechargeable built-in battery may decrease or the speaker may turn off even while the speaker is connected to an AC outlet
by the USB AC adaptor. This, however, does not indicate a malfunction. If such a case occurs, turn off the speaker and let the
battery fully charge itself before you use the speaker.
The maximum power output will be lower when the built-in battery is running low.
In an extremely cold or hot environment, charging stops for safety. If charging takes a long time, it also makes charging of the
speaker stop. To resolve these issues, disconnect the USB cable, and then connect it again within an operating temperature
between 5 °C and 35 °C (41 °F and 95 °F).
Do not charge the speaker's built-in battery in places where water may splash on it. The supplied USB Type-C cable as well as
the USB port behind the cap are designed neither for waterproof nor for dustproof.
Even if you do not intend to use the speaker for a long time, charge the built-in battery sufficiently once every 6 months to
maintain its performance.
When the Android smartphone is configured to use only A2DP (Advanced Audio Distribution Profile) for establishing
BLUETOOTH connections, the remaining battery power of the speaker is not displayed on the smartphone.
While the Stereo Pair function is in use, the remaining battery power of the speaker with a BLUETOOTH connection is displayed.
The remaining battery power of the other speaker is not displayed.
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