Main Features:<br />Built-in mic allowing you to answering incoming calls with hands free<br />Stereo sound and clear tone quality<br />With volume adjustments keys<br />Suitable for all 3.5mm interface MP3 / MP4 / cellphone / tablet， etc.<br />Ideal for sports such as running， jogging， cycling， etc.<br />Coming with two ear hooks， can be used as in-ear and ear-hook<br />Allowing you to enjoy music while doing sports<br /><br /><br /><br /><br /><br />    Specifications<br />General<br />	 Model  : MSD-M18                                                  <br />                        Color : Black， White                                                  <br />                        Wearing type : In-ear with ear hook                                                  <br />                        Feature: Dual function of in-ear and ear-hook                                                  <br />                        Function : Answering phone， Voice control， Microphone                                                	<br />Specification<br />	 Connectivity : Wired                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Application : Sport                                                  <br />                        Plug Type: Full-sized                                                  <br />                        Cable length : 1.2m                                                  <br />                        Sound channel: Two-channel (stereo)                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Sensitivity : 101dB + 3dB at 1KHz                                                  <br />                        Microphone sensitivity: -42±3dB                                                  <br />                        Input power: Maximum 25mW                                                	<br />Dimension and Weight<br />	 Product weight  : 0.016 kg                                                  <br />                        Package weight  : 0.1 kg                                                  <br />                        Package size (L x W x H) : 18 x 13 x 3 cm / 7.07 x 5.11 x 1.18 inches                                                	<br />Package contents<br />	 Package contents: 1 x MSD-M18 In-Ear Earphone， 2 x Ear Hook， 1 x Traditional Chinese Warranty Card                                                	<br /><br /><br /><br />                                                <br />