Talk and listen clearly with this mono wired USB headset, which features noise cancellation technology to minimize background office chatter and ambient sounds. The headset uses your device's USB port for power and to interface with software, while a control on the cord allows for quick volume adjustments and acceptance of incoming calls. Mono headset for clear listening and talking. USB cord for easy connectivity.color for a professional appearance. Plastic construction for lightweight durability. Noise and acoustic echo cancellation for hassle-free communication. Plug-and-play USB connection for use with a variety of devices. A cushioned earpiece provides comfort even during long chat sessions. Frequency response range of 31. 5 Hz - 20 kHz to pick up a wide range of sounds. USB powered for battery-free use. Two year limited hardware warranty for worry-free purchasing. Logitech black H570e mono wired USB headset is compatible with most UC platforms.