Stereo Usb Overhead Headphones & MicrophoneThe classic dh 660 usb is a true, plug 'n' play usb stereo headphone set which features excellent bass and treble characteristics and at the same time being comfortable for extended periods of use. Featuring an innovative over the head design with integral, soft cushion ear cups to help reduce unwanted, external sound and the integration of an adjustable, boom microphone, ideal for two way conversations such as skype. Ease of use has not been left out