Logitech H540 USB Headset Soft Leatherette Padded Headband  And Ear Cups Allow You To Talk Or Listen In Comfort, For Hours On End. Enjoy Volume And Bass Level Control, As Well As The Ability To Instantly Mute The Mic All At Your Fingertips.USB-A Plug-And-Play Connectivity Lets You Instantly Enjoy Music, Movies, And Calls In Rich, Digital Stereo Sound. 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 Software. Minimizes Unwanted Background Noise For Clear Conversations. Right-Sided Mic Can Be Conveniently Positioned For Better Voice Capture. Discreet Boom Can Be Tucked Inside The Headband And Out Of The Way When You’re Not Using It. Adjust The Volume Or Mute Your Calls With Simple On-Ear Controls Located On The Right Ear Cup. Confirm Mute Status With An Easy-To-See Light Indicator On The Headset Cord.