http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ESQ7 <br />             <strong>Color :</strong> Silver, Black <br />             <strong>Wearing type :</strong> In-Ear <br />             <strong>Function :</strong> Noise Cancelling                               <strong>Connectivity :</strong> Wired <br />             <strong>Connecting interface :</strong> 3.5mm <br />             <strong>Application :</strong> Mobile Phone, Computer, Portable Media Player <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> 12~20000Hz                                            <strong>Package weight:</strong> 0.065 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> 13.5 x 8 x 2.7 cm / 5.31 x 3.14 x 1.06 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone, 1 x English / Chinese Manual, 1 x Cable Clamp, 2 x Pair of Earbud                 <img src="http://des.chinabrands.com/uploads/2015/201501/heditor/201501301336517699.jpg" alt="Awei ESQ7 1.2m Cable Length In-ear Earphone for Mobile Phone Tablet PC" />