http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ES - 710i <br />             <strong>Color :</strong> Black, Red, Blue <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> 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> 0.128 kg <br />             <strong>Product size (L x W x H) :</strong> 120 x 2.8 x 1.3 cm / 47.16 x 1.10 x 0.51 inches <br />             <strong>Package size (L x W x H) :</strong> 18 x 12.2 x 3 cm / 7.07 x 4.79 x 1.18 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone, 5 x Pair of Earbud, 1 x Cable Clamp, 1 x Storage Bag                 <img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504151711091770.jpg" alt="Awei ES - 710i Noise Isolation In-ear Earphone with 1.2m Cable Mic for Smartphone Tablet PC" /><img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504151711165507.jpg" alt="Awei ES - 710i Noise Isolation In-ear Earphone with 1.2m Cable Mic for Smartphone Tablet PC" /><br /><br /><br />