Checking the charging completion
If the built-in battery is fully charged when you connect the speaker to an AC outlet, the CHARGE indicator lights up in
orange then turns off after about 1 minute.
Checking the built-in battery level of the rechargeable built-in battery
After pressing the BATT (battery) button behind the cap on the rear side of the speaker, when the speaker is turned on,
the voice guidance listed below is output from the speaker depending on the remaining built-in battery power.
80% or more: “Battery fully charged”
60% or more: “Battery about 70%”
40% or more: “Battery about 50%”
20% or more: “Battery about 30%”
Less than 20%: “Please charge”
Built-in battery life (using a BLUETOOTH connection)
About 24 hours
The volume level of the speaker is set to 36.
The lighting function is set to off.
The sound effect is set to STAMINA.
About 14 hours
The volume level of the speaker is set to 35.
The lighting function is set to on. (factory default settings)
The sound effect is set to EXTRA BASS. (factory default settings)
About 4 hours
The volume level of the speaker is set to maximum (50).
The lighting function is set to on. (factory default settings)
The sound effect is set to EXTRA BASS. (factory default settings)
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 voice guidance says “Please charge” and the CHARGE indicator flashes slowly, the built-in battery is running
low and needs to be charged. In this state, the speaker cannot supply power to other devices.
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.
When you use the speaker at a loud volume for a long time, the built-in battery may run low even if the speaker is connected to
an AC outlet. As a result, sound becomes low. This is not a malfunction. Turn off the speaker and charge the built-in battery
sufficiently.
The maximum power output will be lower when the built-in battery is running low.
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