OEM Kensington Hi-Fi Headphones with Microphone designed for optimal audio performance. Powerful drivers provide deep bass and dynamic range at safe levels. The flexible arm can be adjusted for optimal voice clarity or turned away when not in use. Plush earpads ensure a comfortable fit for hours of use. The gold-plated audio jack delivers sturdy reliability for heavy usage, making these headphones perfect for computer-based learning, testing, and more.