IDANCE FREE30 -Watt -Channel Recording Studio Equipment ， Yellow<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Lightweight Ergonomic fit 30mm Super bass Speaker Driver Comfortable ear pad for Any outdoor use Compatible with iPhone inline microphone </span></li><li><span class="a-list-item"> Magnet type: Neodymium， Driver Unit: 30 mm， Impedance: 32 ohms， Sensitivity: 108 dB+/-3dB. </span></li><li><span class="a-list-item"> Frequency Response: 15Hz~20KHz， Cord Length: 1.5m， Cable Type : PVC， Plug Type : 3.5mm gold plated </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41C9gUXGZGL.jpg" noproxy>