http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ES - 13i <br />             <strong>Color :</strong> Blue, Rose, Black, Red <br />             <strong>Wearing type :</strong> In-Ear <br />             <strong>Function :</strong> Microphone, Answering phone                               <strong>Connectivity :</strong> Wired <br />             <strong>Connecting interface :</strong> 3.5mm <br />             <strong>Application :</strong> Portable Media Player, Mobile Phone, Computer <br />             <strong>Plug interface:</strong> L-Bend <br />             <strong>Cable length :</strong> 1.2m <br />             <strong>Driver unit:</strong> 10mm <br />             <strong>Frequency response :</strong> 20~20KHz                                            <strong>Package weight:</strong> 0.072 kg <br />             <strong>Product size (L x W x H) :</strong> 120 x 1.8 x 1 cm / 47.16 x 0.71 x 0.39 inches <br />             <strong>Package size (L x W x H) :</strong> 17 x 7 x 3 cm / 6.68 x 2.75 x 1.18 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone, 2 x Pair of Earbud, 1 x Cable Clamp                 <p><img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504161645512693.JPG" alt="Awei ES - 13i 1.2m Cable Length In-ear Earphone with Mic for Mobile Phone Tablet PC" /><br /></p><p><img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504161645358520.jpg" alt="Awei ES - 13i 1.2m Cable Length In-ear Earphone with Mic for Mobile Phone Tablet PC" /></p><br /><br />