KREAFUNK aCOUSTIC Operation Manual page 16

BATTERY STATUS
White
Red
Flashing Red
Orange
Green
When the battery level is below 15%, the LED indicator turns solid red. When
the battery level is below 10%, the LED indicator flashes red.
aCOUSTIC will automatically switch off when not in use for 60 minutes.
16
LED
English
Battery Status
15-100 %
<15 %
<10 %
0-99 %
100 %