Designed for hands-free computer and other recording applications. Provides single earpiece for one-ear monitoring, along with dynamic microphone for crisp, accurate vocal pickup. Flexible mic boom, cushioned ear pad and lightweight design provide added convenience and prolonged listening comfort. 40mm headphone driver and neodymium dynamic mic. Frequency response: 30Hz - 20kHz. 1.5m cable with two 3.5mm mini-plugs. Includes two 1/4" adapters