The POLY Blackwire C3220 Stereo USB Headset by Plantronics is a high-quality, wired headset designed for use with PCs and Macs. It features an adjustable headband, microphone mute button, volume control, and noise cancellation capabilities. The headset comes in a sleek black colour and has a comfortable ear-pad design for extended wear. With a boom microphone, built-in microphone, and double earpieces, this headset offers a great listening experience for calls, meetings, and music. The versatile connectivity options of USB-A and USB-C make it compatible with a range of devices.