The perfect companion to any of your Apple™ devices. Features soft, leatherette-style, washable, replaceable ear cushions, an easy-to-wear lightweight design with swivel ear-cups, and a 4-foot long braided nylon cord. All these features contribute to fatigue-free use in and out of the classroom. Comes in easy-to-mark light blue color. Frequency response: 20-20,000 Hz, mpedance: 32 Ohms, Sensitivity: 105DB+/-4DB, Max Input: 100MV, Plug: 1/8" stereo, Headband: Adjustable, Mac/PC compatible (headphone only). Warranty 1 year