⭐ Nice Compatible: Perfectly compatible with Plantronics Voyager Focus UC B825 Headphones. ⭐ Also compatible with Plantronics Blackwire 5220 Headset. Softer & Villi SurfaceMaterial. ⭐ Noise Reduction: It can reduce the noise coming from outside, and to enhance the fidelity of your audio by cushioning the vibrations between your ear and the headset, providing more vibrant sounds.
eBay