EarFun UBOOM L User Manual page 6

Note:
Press and hold the sound modes button for 2 seconds to transfer stereo mode and party
mode when true wireless stereo is connected. The party mode will be the same sound
channel for speaker A and B, and speaker A is stereo as same as speaker B.
7
Functions
Buttons
Power button
Bluetooth
button
Play button
Volume +
Press or hold
button
Volume -
Press or hold
button
Sound mode
button
Operations
Press x 1
Press x 1 Bluetooth pairing
Press x 2
Video mode OFF
Press and True Wireless Stereo
hold for 3s
Press x 1
Answer/End a call
Press x 2
Press x 3
Press and
hold for 2s
Press x 1
Press and True Wireless Stereo
hold for 2s mode/Party mode
Functions
Power ON
Power OFF
*
Video mode ON
pairing
Play/Pause
Next track
Previous track
Activate the
voice assistant
Reject a call
Volume up
Volume down
Outdoor mode
Indoor mode
LED Indicators
Blue LED ON
Blue LED OFF
Blue LED flash
White video mode LED ON
White video mode LED OFF
Blue LED flash
/
/
/
/
/
/
/
/
White sound mode LED ON
White sound mode LED OFF
/
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