Specification<br />Type: In-ear HIFI Stereo Headphone<br />Input plug Diameter: 3.5MM<br />Frequency Response 20~20k (Hz)<br />Sensitivity reduction: 105dB+/-3dB<br />Impedance: 16  Driver<br />Unit: 10 mm<br /><br />Multi-functional Microphone:<br />In-line remote control with Play/Pause・ Hand-Free Calling<br />One click: Start/Stop music or Answer/End Calls.<br />Two clicks: Next song.<br />Three clicks: Previous song.<br />Long press: Siri control.<br /><br />Package Included :<br />1* in-ear earphone<br />2* sets of spare ear tips<br />1* environmental protection silicone case