Specifications<br />General<br />	 Brand: OVLENG                                                  <br />                        Model  : A2                                                  <br />                        Color : Red， Blue， Orange                                                  <br />                        Wearing type : Headband                                                  <br />                        Feature: Omni-direction microphone， Dynamic stereo sound                                                  <br />                        Function : Noise Cancelling， Microphone， Answering phone                                                	<br />Specification<br />	 Connectivity : Wired                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Application : Mobile Phone， Portable Media Player， Computer                                                  <br />                        Plug interface: Full-sized                                                  <br />                        Cable length : 1.2m                                                  <br />                        Driver unit: 40mm                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Impedance : 32ohms                                                  <br />                        Sensitivity : 102dB ± 3dB                                                  <br />                        Microphone sensitivity: -58±3dB                                                  <br />                        Microphone frequency: 30Hz to 16000Hz                                                  <br />                        Microphone impedance : Low                                                  <br />                        Microphone dimension: 6 x 5mm                                                  <br />                        Working voltage: 3V                                                	<br />Dimension and Weight<br />	 Product weight  : 0.160 kg                                                  <br />                        Package weight  : 0.420 kg                                                  <br />                        Product size (L x W x H) : 18.0 x 17.5 x 7.5 cm / 7.1 x 6.9 x 3.0 inches                                                  <br />                        Package size (L x W x H) : 23.0 x 21.0 x 9.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Headphone， 1 x 3.5mm Audio Cable                                                	<br /><br /><br /><br />                                                                                                        <br />