The Poly Blackwire C5220 Headset with Storage Case is a brand new Plantronics headset with a stylish multicolor design. It features a comfortable headband form factor with double earpads for immersive sound quality. With Bluetooth wireless technology, USB, 3.5mm jack, and USB-C connectivity options, it offers flexibility and convenience for everyday use. The headset also includes advanced features like echo cancellation, ambient sound mode, detachable cable, adjustable headband, and a built-in microphone with mute button for hands-free calls and volume control. Its foldable design and built-in microphone make it a practical and versatile choice for professionals and consumers alike.