Main Features:<br />Intelligent single bond wire control<br />STRESS tuning technology<br />11.5mm super big driver unit<br />Enthusiast noodle line<br />Line-in Mic for in-coming phone calls<br />Come with 2 pair of ear tips for fit<br /><br />    Specifications<br />General<br />	 Brand: awei                                                  <br />                        Model  : ES-900i                                                  <br />                        Color : Black， Silver                                                  <br />                        Wearing type : In-Ear                                                	<br />Specification<br />	 Connectivity : Wired                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Application : Portable Media Player， Mobile Phone， Computer                                                  <br />                        Plug interface: Full-sized                                                  <br />                        Cable length : 1.2m                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Impedance : 16ohms                                                  <br />                        Sensitivity : 110 dB ± 3 dB                                                	<br />Dimension and Weight<br />	 Package weight  : 0.150 kg                                                  <br />                        Package size (L x W x H) : 19.0 x 11.0 x 4.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Earphone， 2 x Paired Earbud， 1 x Portable Bag                                                	<br /><br /><br /><br />                                            <br /><br />                                                <br />