Compatible with: iPods / iTouches / MP3 Players, iPhones / Cell Phones / Mobile Devices, iPads / Tablets / eReaders, Chromebooks, Computers (Mac & PC), CD Players / Stereos, TVs, Most Gaming Systems Heavy-duty, write-on, moisture-resistant, reclosable bag. Cushions: Leatherette, replaceable, Design: Deluxe, over-ear, Speaker drivers: 40mm, Frequency response: 50-20,000 Hz, Impedance: 32O, Sensitivity: 105dB±4dB 180° angle with 3.5 mm TRRS stereo plug. Cord: 5' Dura-Cord - chew-resistant, PVC-jacketed, braided nylon