http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards                   <strong>Brand:</strong> awei <br />             <strong>Model  :</strong> ES12i <br />             <strong>Color :</strong> White, Pink, Blue, 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> Portable Media Player, Computer, Mobile Phone <br />             <strong>Plug interface:</strong> Full-sized <br />             <strong>Cable length :</strong> 1.2m                                            <strong>Package weight:</strong> 0.065 kg <br />             <strong>Product size (L x W x H) :</strong> 120 x 3.5 x 1.8 cm / 47.16 x 1.38 x 0.71 inches <br />             <strong>Package size (L x W x H) :</strong> 19.5 x 6 x 2.7 cm / 7.66 x 2.36 x 1.06 inches                               <strong>Package contents:</strong> 1 x In-ear Earphone, 1 x English / Chinese Manual, 1 x Cable Clamp