Control knob
Short answer
The article provides guidance on using the control knob for various functions on the Marshall Willen speaker.
This is how you use the control knob:
Push and hold for 2 seconds to turn on/off.
Push once to play/pause.
Push right/left to skip forward/back.
Hold right/left to fast forward/rewind.
Hold upwards/downwards to adjust the volume.
Push once to answer or end a call.
Push twice to reject a call.