Skullcandy The Cassette Headphones with Mic in Athletic Blue. Cassette headphones are built around removable speakers and a collapsible band; Provided ear cushions can be swapped for the no-slip-grip silicone ear pads. Features: In-line Mic1 for taking/making calls, track control, play/pause Removable speakers travel bagTake 32 ohm impedance 106dB sound pressure less than .1% THD Weight approx. 120 g By Skullcandy.