1. SONY like no other MDR 201LP Category Walkman headphones Subcategory General data Type Driver unit Diaphragm Sensitivity Impedance Magnet Frequency response Power handling capacity Headband Cord Length Plug MONO STEREO switch Volume control Foldable Weight of headphones Available color s Package Style Dimensions WxHxD in cm Package per Carton Core Open air dynamic 30 mm PET 100 dB mW 24 Ohm Ferrite 14 20 000 Hz 0 1 W Wide single headband Single sided cord 1 5 m Straight stereo unimatch plug Approx 75 g without cord Black Blister 17 2x21 9x9 6 6