The Logitech H540 High-Performance USB Computer Headset features plug-and-play connectivity so you can instantly enjoy music, movies, and calls in rich, digital stereo sound. It features laser-tuned drivers and a built-in equalizer for precision audio. USB-A plug-and-play connectivity lets you instantly enjoy music, movies, and calls in rich, digital stereo sound. On-ear controls and one mute indicator light make it easy to see when the mic is muted.High-Definition Sound QualityLaser-tuned drivers and built-in equalizer provide rich, digital audio for full immersion in music, games, and calls. This plug-and-play headset can be used with any PC or Mac computer with a USB-A port or adapter without the need to install the software.Noise Canceling MicThe noise-canceling mic minimizes 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 you’re not using it.On-Ear ControlsThe on-ear controls adjust the volume or mute your calls with simple on-ear controls located on the right ear cup. You can confirm the mute status with an easy-to-see light indicator on the headset cord.Padded ComfortIt has an ultra-comfortable, adjustable design. Soft, padded leatherette headband and ear cups feel good even after hours of listening.USB-A ConnectionUSB provides easy plug-and-play operation. Simply plug the USB-A connector into your computer and instantly enjoy conversations, movies, or music in rich stereo sound.