Headphones that make learning by listening comfortable, clear, and easy to hear for all ages. Features a four-in-one design with or without volume control. Soft, washable, leatherette style has replaceable ear cushions and new, easier-to-wear lighter design with swivel ear-cups and soft coil, 3 meter long cord all contribute to longer fatigue-free use. Operates on 1/8-inch stereo, 1/8-inch mono, 1/2-inch stereo and 1/4 inch mono modes.