Frequency Response: 15-25,000 Hz. Flexible headband design allows listener to wear the headband on top of or behind the head. Great for active sports or when wearing a cap or hat. Dynamic element design for deep bass performance. Foam ear cushions for an open, hear-through sound. Mute switch for convenient sound control. Collapsible for easy travel and storage. Includes convenient carrying case. Includes 1/8" and 1/4" stereo plugs for home and portable use. Straight, dual entry 4 foot cord.