http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ES - 900i <br />             <strong>Color :</strong> Black? Gold? Red? Gray? Blue? Silver? Green? Purple? Rose <br />             <strong>Wearing type :</strong> In-Ear <br />             <strong>Function :</strong> Answering phone? Microphone                               <strong>Connectivity :</strong> Wired <br />             <strong>Connecting interface :</strong> 3.5mm <br />             <strong>Application :</strong> Computer? Portable Media Player? Mobile Phone <br />             <strong>Plug interface:</strong> L-Bend <br />             <strong>Cable length :</strong> 1.2m <br />             <strong>Driver unit:</strong> 11.5mm <br />             <strong>Frequency response :</strong> 20~20KHz                                            <strong>Package weight:</strong> 0.106 kg <br />             <strong>Product size (L x W x H) :</strong> 120 x 2.5 x 1.3 cm / 47.16 x 0.98 x 0.51 inches <br />             <strong>Package size (L x W x H) :</strong> 18 x 10 x 3.2 cm / 7.07 x 3.93 x 1.26 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone? 2 x Pair of Earbud? 1 x Cable Clamp? 1 x Storage Bag                 <img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504161743317737.JPG" alt="Awei ES - 900i 1.2m Cable Length In-ear Earphone with Mic for Mobile Phone Tablet PC" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504161743311885.jpg" alt="Awei ES - 900i 1.2m Cable Length In-ear Earphone with Mic for Mobile Phone Tablet PC" />