The Plantronics Poly Blackwire 3315 is a wired single-ear (mono) USB-A headset designed for professionals on the go. With its sleek black design and adjustable headband, this headset offers comfort and convenience during long calls or meetings. The boom microphone ensures clear communication, while the mute button provides quick and easy control. Made by Plantronics, a trusted brand in the industry, this headset is a reliable choice for those looking for a high-quality audio solution for their computer or tablet.