Main Features:<br />Advanced in-ear speaker design<br />All metal housing<br />Low mass， ultra-wide bandwidth driver for superior accuracy<br />Pro sound isolating ear tips<br />Micro strand connector<br />Magnetic flux tube<br />Ruduce tangles during storage <br />Suitable for MID， MP3， MP4， CD， smart phone， radio， audio class computers and related products<br /><br />Note:<br />Please use the CD to burn headphone to get the best sound quality<br />Recommended frequency is 20Hz to 100Hz in stereo channel and keep working for about 8 hours<br /><br />    Specifications<br />General<br />	 Brand: JBMMJ                                                  <br />                        Model  : M800                                                  <br />                        Color : Purple                                                  <br />                        Wearing type : In-Ear                                                  <br />                        Feature: Designed for fanciers                                                	<br />Specification<br />	 Connectivity : Wired                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Application : Computer， Portable Media Player， Mobile Phone                                                  <br />                        Plug interface: Full-sized                                                  <br />                        Cable length : 1.2m                                                  <br />                        Driver unit: 10mm                                                  <br />                        Frequency response : 6-23500Hz                                                  <br />                        Impedance : 16ohms                                                  <br />                        Sensitivity : 105 dB                                                	<br />Dimension and Weight<br />	 Product weight  : 0.015 kg                                                  <br />                        Package weight  : 0.300 kg                                                  <br />                        Package size (L x W x H) : 22.0 x 12.0 x 6.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Earphone， 1 x CD for Burn Earphones， 1 x Portable Case                                                	<br /><br /><br /><br />                                                <br />