New in box, Logitech headset. See pics for specs. Advanced noise-canceling mic makes sure that you sound clear in calls and video conferences, even in a busy work environment; use Logi Tune* to control the sidetone and adjust the volume of your voice Featuring 40mm drivers and immersive audio for full bass and crisp high frequencies so you can enjoy music, hear calls and stay focused, even in a bustling office Multiple connections: Simple USB-C and included USB-A adapter** ensure plug-and-play compatibility for all your devices; the cord is durable, reliable, and easy to use Simple controls right at your fingertips including volume, mute, answer, end, and reject calls; plus play or pause music Stay up to date by downloading the latest firmware via the Logi Tune*; customize and control your headset and manage mute, volume, sidetone, and more