Sony MDRXB800 Extra Bass Over The Head 50mm Driver Headphone， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Connectivity technology-wired; minimum frequency response-3 Hz; earpiece-earpiece design-over-the-head; earpiece-earpiece sensitivity-106 db.; physical characteristics-weight (approximate)-10.23 ounce; </span></li><li><span class="a-list-item"> Cable length-3.94 ft;maximum frequency response-28 kHz; earpiece-earpiece type-binaural; physical characteristics-color-black; </span></li><li><span class="a-list-item"> Sound mode-stereo; connector plating-gold plated; earpiece-driver type-neodymium; physical characteristics-material-oxygen-free copper (OFC); </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/412OYfwnrML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xrZz3CcJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31CYd5WXIDL.jpg" noproxy>