http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ES - Q7i <br />             <strong>Color :</strong> Rose, Orange, Black, Yellow, White, Blue, Purple <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> Mobile Phone, Portable Media Player, Computer <br />             <strong>Plug interface:</strong> Full-sized <br />             <strong>Cable length :</strong> 1.2m <br />             <strong>Driver unit:</strong> 10mm <br />             <strong>Frequency response :</strong> 20~20KHz                                            <strong>Package weight:</strong> 0.073 kg <br />             <strong>Product size (L x W x H) :</strong> 120 x 2 x 1 cm / 47.16 x 0.79 x 0.39 inches <br />             <strong>Package size (L x W x H) :</strong> 15.5 x 8.5 x 2.7 cm / 6.09 x 3.34 x 1.06 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone, 2 x Pair of Earbud, 1 x Cable Clamp                 <img src="http://des.chinabrands.com/uploads/2015/201504/heditor/201504171727397072.jpg" alt="Awei ES - Q7i Noise Isolation In-ear Earphone with 1.2m Cable Mic for Smartphone Tablet PC" /><img src="http://des.chinabrands.com/uploads/2015/201505/heditor/201505121647139225.jpg" alt="Awei ES - Q7i Noise Isolation In-ear Earphone with 1.2m Cable Mic for Smartphone Tablet PC" />