The Hamilton HA7 Headphone features four-in-one operation on 1/8 inch stereo, 1/8 inch mono, 1/4 in stereo and 1/4 inch mono modes. Soft leatherette style washable, replaceable ear cushions, easy-to-wear lightweight design with swivel ear-cups and soft coil, 3 meter long cord (almost 10 feet!) all contribute to longer fatigue-free use. Comes in easy to mark medium gray colors. Use in groups with a listening center jackbox.