Logitech H540 USB Computer Headset Kopfhörer Verkabelt Kopfband Büro/Callcenter USB Typ-AHIGH DEFINITION SOUND QUALITY Laser tuned drivers and a built in equaliser provide rich, digital audio for full immersion in music, games and calls. NOISE CANCELLING MIC Minimises unwanted background noise for clear conversations. The right sided mic can be conveniently positioned for better voice capture. The discreet boom can be tucked inside the headband and out of the way when youre not using it. ON EAR CONTROLS Adjust the volume or mute your