100% brand new and high quality.<br /><br />HiFi Woofer Speaker｣ｬPerfect bass<br /><br />Medical silicone Earmuffs｣ｬPerfect isolation from outside noise｣ｬLong-wearing still comfortable<br /><br />High-quality TPE cable｣ｬTension high quality wire｣ｬ the more pure sound output<br /><br />Impedance:32 <br /><br />Frequency Response:20Hz-20KHz<br /><br />Rated Power:20mW<br /><br />Power Capability:35mW<br /><br /><br />Package Includes:<br /><br />1PC Super Bass Stereo In-Ear Earphone Sport Headset