["The Plusonic 15.1P is the ideal headset for people who make a lot of calls and want to communicate crystal clearly while on the go. The 15.1P supports both a connection via USB and a 3.5 mm jack", "When connected via USB, the integrated control panel can also be used; the volume can be easily adjusted here and the conversation can be muted. The headset is equipped with a generous ear cushion, which makes it comfortable to wear even for several hours, and ambient noise is significantly dampened. The built-in microphone offers integrated noise cancellation, so that comfortable conversations are possible even in louder environments"]