:. . Mono Headset Made For Voice & Music Lightweight, Portable, Reliable & Comfortable Noise Cancellation w/ Ultra Soft Foam Covered Ear Cushions 2-Microphone Call Technology Professional-grade 28mm Speakers Integrated Busylight USB-A or USB-C Connectivity Answer/Reject Calls & Mute Variants: UC & MS Variants Jabra Direct / Jabra Express Call Management. - Answer / Reject Calls. - Increase / Decrease Speaker Volume. - Mute Connects to PC & Mobile Devices User Hearing Protection: Jabra SafeToneTM On-Ear Wearing Style Noise Isolating Design..