USB Volume Contrôleur Pour Ordinateur Haut Parleur Audio Ajusteur Commutateur Convertisseur Knob

Simple Operation but perfect function: press the knob to mute and press again to play. Three speed adjustment mode( half, one or two circles), easy to adjust the volume from 1 to 100. Lossless sound quality: it controls computer sound card by instruction and directly adjusts audio device volume without causing any distortion and noise. Mini size with exquisite appearance: stepper digital potentiometer with good hand feeling,high-end USB woven wire is more durable.