The utility model discloses a
wireless volume key control knob, which comprises a knob seat, a rotary
potentiometer capable of being wirelessly connected with audio playing equipment and used for controlling the volume, and an electrodeless knob used for adjusting the volume, the top of the knob seat is provided with a port; the rotary
potentiometer is fixedly arranged in the knob seat and is upwards provided with a rotary
handle extending out of the passing opening; and the stepless knob is fixedly arranged on the rotating
handle. The device has the advantages that the device is mainly used for being wirelessly connected with an audio playing device needing volume adjustment, such as a tablet
personal computer, a desktop computer, a
projector and a
Bluetooth loudspeaker which are used by a user and have a sound playing function, when the device is used, after the dazzle
LED lamp beads are lightened, light rays of the dazzle
LED lamp beads can be correspondingly emitted out of the light holes, and the effect of adjusting the volume of the audio playing device is achieved. Setting is carried out on an application program, so that the
flicker frequency and the like of light emitted by the multiple dazzling
LED lamp beads are combined with the volume, the speed and the like of the audio playing device, and the whole device looks like a pearlescent treasure box to emit beautiful, dazzling and dynamic
rhythm light when used; and the fun of the user can be greatly increased during use.