Using the speaker with less power consumption of the rechargeable battery (STAMINA)
Reduce the power consumed while the speaker is running on the rechargeable built-in battery so you can use the speaker for a longer period of time.
To use STAMINA
At the time of purchase, the STAMINA power option is set to off.
On “Sony | Music Center,” tap [ULT FIELD 1] - [Settings] - [Power Option] - [STAMINA], and then set it to on.
While the STAMINA power option is set to on, the sound effects, including the ULT POWER SOUND, are set to off.