The Hamilton Kids SC7V Headphone with individual volume control features four-in-one operation on 1/8 inch stereo, 1/8 inch mono, 1/4 in stereo and 1/4 inch mono modes. New soft leatherette style washable, replaceable ear cushions, new easier-to-wear lighter design with swivel ear-cups and soft coil, 3 meter long cord (almost 10 feet!) all contribute to longer fatigue-free use. Use in groups with a listening center jackbox. Specifications: * Volume control, * Impedance: 170 ohms, * Speaker drivers: 57mm cobalt magnet type, * Headphone frequency response: 18-20k Hz, * 3 Meter Cord, * One (1) year warranty.