Main Features:<br />Easily switch between muisc and phone calls with one click<br />Exceptional sound quality delivered through compact earbuds<br />Pressure-free ear tips come in three sizes for the optimal fit <br />Compatible with 3.5mm plug-in devices<br /><br />    Specifications<br />General<br />	 Model  : A400i                                                  <br />                        Wearing type : In-Ear                                                  <br />                        Function : Microphone， Answering phone                                                	<br />Specification<br />	 Connectivity : Wired                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Cable length : 1.2m                                                  <br />                        Driver unit: 10mm                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Impedance : 16ohms                                                  <br />                        Sensitivity : 112dB+/-3dB                                                  <br />                        Microphone sensitivity: -45±3dB                                                  <br />                        Microphone dimension: 10mm                                                  <br />                        Output power: 2mW                                                	<br />Dimension and Weight<br />	 Product weight  : 13 g                                                  <br />                        Package weight  : 0.210 kg                                                  <br />                        Package size (L x W x H) : 20.0 x 11.0 x 5.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Earphone， 6 x Earbud， 1 x Case， 1 x Clamp                                                	<br /><br /><br /><br />                                                <br />