The Logitech H540 is a headset with laser-adjusted speaker elements and a built-in equalizer for precision sound. Plug-and-play connection with USB-A allows you to instantly receive music, movies and calls with rich, digital stereo sound. Controls on the headphones and indication of muted sound make it easy to see when the microphone is muted. Super comfortable and adjustable design. Soft, padded jumper in artificial leather and ear cushions that are comfortable even after several hours of listening.