When the switch is set to ON, the device powers on; when set to OFF, it powers off.
Long-press the POWER button for 1.5 seconds to turn the device on or off.
After powering on, the Bluetooth indicator will flash, indicating pairing mode.
When pairing is successful, the indicator stays solid.
Double-press the button to disconnect Bluetooth.
Short-press the MODE button to switch between AUX Mode and Bluetooth Mode.
The speaker announces the current mode, and the corresponding indicator light turns on.
Short-press the Volume +/– buttons to increase or decrease the volume.
When the volume reaches the maximum level, the speaker emits a “dong-dong-dong” alert.
In Bluetooth mode, long-pressing Volume +/– skips to the next/previous track.
Short-press the Reverb button to enable the reverb effect.
The indicator turns on.
This function has no effect during music playback and is only active in karaoke mode.
Reverb is off by default when powered on.
Short-press the Echo button to enable the echo effect.
The indicator turns on.
This function has no effect during music playback and is only active in karaoke mode.
Echo is enabled by default when powered on.
LED button — short-press to switch ambient lighting effects.
Default: Effect 1.
- Effect 1: Center-to-sides chasing lights; slow without music, reacts to music when playing.
- Effect 2: Sides-to-center chasing lights; slow without music, reacts to music when playing.
- Effect 3: Random color lighting; slow without music, reacts to audio levels when music is playing.
- Effect 4: Left-to-right → right-to-left flowing lights; fixed speed.
- Effect 5: Fixed color transitions using breathing-light effect; fixed breathing speed.
- Effect 6: Ambient light off.
When charging via Type-C, the red indicator lights up. It turns off when fully charged.
When battery voltage drops below 3.2V, the speaker announces “Low battery” every 30 seconds, three times in total.
When voltage falls below 3.0V, the system shuts down automatically.
When powered on, the Bluetooth name is “IRIVER KARAOKE”.
For Microphone 1 and Microphone 2, the corresponding indicator lights turn on when each microphone is powered on, and turn off when the microphone is powered off.

