Features:<br /><br />1. Ergonomic design・ soft earmuffs・ more comfortable for long-time wearing.<br />2. 3.5mm standard plug・ compatible with most of smartphones・ tablet・ and etc.<br />3. Unique streamline earphone line design・ wear-resistance・ for long term usage.<br />4. Equip with 9mm speaker・ provide potend and dynamic sound for you.<br />5. High clear microphone・ isolated from outside interference effectively.Specifications:General Specification  Brand  REMAX  Model  RM-585  Color  Black・ White・ Red・ Pink  Wearing Type  In-ear Cable Length (m)  1.2mTechnical Parameters  Microphone  Yes  Wired Control  Support  Plug Type  3.5mm  Receive Sensitivity  98dB  Impedance  16  Frequency Response  20-20kHzPackage  Included:  1* REMAX RM-585 Earphone  1* pair of earmuffs  1* manual<br /><br />