The Koss TM602 Portable Headset offers an excellent frequency response and dynamic element that gives the listener that full "Sound of Koss. " Featuring comfortable foam ear cushions and an adjustable headband, this headset is designed to be work for long periods of time. The TM602 includes a 1/8-inch and 1/4-inch stereo plug, making this versatile headset ideal for either home or portable use.