About the indicators

CHARGE indicator (orange)

Turns off The speaker is finished with charging.
Lights up The speaker is being charged.
Flashes slowly The built-in battery is running at less than 20% and needs to be charged.
Flashes 3 times and turns off If the CHARGE indicator flashes 3 times and turns off when you turn on the speaker, the built-in battery is empty and needs to be charged.
Flashes quickly An abnormality in the interior temperature or in the built-in rechargeable battery is detected. Turn off the speaker, disconnect the USB cable, wait for a while, and then restart the speaker. For details, see Notes on charging.

Note

  • As long as the speaker is connected to an AC outlet by a USB AC adaptor (commercially available), the speaker's built-in battery is capable of charging itself even while the speaker is turned on.

    Depending on the usage of the speaker, however, it may take a long time before charging completes. It is recommended that you turn off the speaker before battery charging.

  • 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.

  • If the ambient temperature is extremely low or high, the built-in battery will stop charging itself for safety reasons. It may also stop charging if charging continues for a long period of time. If such a case occurs, bring the temperature up or down to an operating temperature between 5 °C and 35 °C (41 °F and 95 °F), disconnect and connect the USB cable, and then let the battery charge itself once again.

(power) indicator (green)

Turns off The speaker is turned off.
Lights up The speaker is turned on.
Flashes

  • Each time you press the –/+ (volume) buttons, the indicator flashes once.

  • When you operate the –/+ (volume) buttons and the volume is set at the lowest (0) or highest (50 for music playback/15 for phone calling) level, the indicator flashes 3 times.

  • When the (play)/(call) button and the – (volume) button are pressed and held simultaneously for about 5 seconds and the Auto Standby function is turned off, the indicator flashes 3 times.

  • When the (play)/(call) button and the – (volume) button are pressed and held simultaneously for about 5 seconds and the Auto Standby function is turned on, the indicator flashes twice.

  • When the (play)/(call) button and the + (volume) button are pressed and held simultaneously for about 2 seconds and the “Priority on Stable Connection” preference is selected for the BLUETOOTH connection quality, the indicator flashes 3 times.

  • When the (play)/(call) button and the + (volume) button are pressed and held simultaneously for about 2 seconds and the “Priority on Sound Quality” preference is selected for the BLUETOOTH connection quality, the indicator flashes twice.

  • When the ULT button and the – (volume) button are pressed and held simultaneously for about 2 seconds and the ULT POWER SOUND notification sound is turned off, the indicator flashes 3 times.

  • When the ULT button and the – (volume) button are pressed and held simultaneously for about 2 seconds and the ULT POWER SOUND notification sound is turned on, the indicator flashes twice.

(BLUETOOTH) indicator (blue)

Lights up The speaker is connected to a BLUETOOTH device.
Double flashes

The speaker enters the pairing mode.
Flashes slowly

The speaker is waiting for a BLUETOOTH connection to be established.

ULT button (pink*)

Turns off The sound mode is set to other than ULT POWER SOUND.
Lights up The sound mode is set to ULT POWER SOUND.

* The lighting color of the ULT button varies depending on the viewing angle.

Other activities of the indicators (indications pertaining to updates to the pre-installed software)

While an update is in progress As a software update progresses, the(power) indicator changes its green flashing pattern (5-time flashing, 4-time flashing, 1-time flashing, unlit*).
Upon completion of an update When the speaker turns on for the first time after a software update, the green(power) indicator and the blue(BLUETOOTH) indicator flash simultaneously 3 times.
When an update is canceled 　　　　

  • When [Cancel] is tapped on “Sony | Music Center” while an update is in progress

    Depending on the progress of the update, either of the following indicator activities are presented:

    • The(power) indicator goes out and the blue(BLUETOOTH) indicator starts flashing.

    • The(power) indicator goes out, and the blue(BLUETOOTH) indicator and the orange CHARGE indicator simultaneously start flashing. Then, while the blue(BLUETOOTH) indicator keeps flashing, the orange CHARGE indicator starts 4-time flashing.

  • When the(power) button on the speaker is pressed while an update is in progress

    The blue(BLUETOOTH) indicator starts flashing. At the same time, the orange CHARGE indicator flashes 9 times* and then the speaker turns off.
When an update fails When the transfer of update data fails, the(power) indicator goes out and the(BLUETOOTH) indicator flashes in blue.

* Depending on the situation, you may not be able to see all flashing patterns.