Features:<br /><br />    Diameter: 3.5mm<br />    HiFi Woofer Speaker｣ｬPerfect bass<br />    Medical silicone Earmuffs｣ｬPerfect isolation from outside noise｣ｬLong-wearing still comfortable<br />    High-quality TPE cable｣ｬTension high quality wire｣ｬ the more pure sound output<br />    Impedance:32 <br />    Cable Lenght 1.2M<br />    Frequency Response:20Hz-20KHz<br />    Rated Power:20mW<br />    Power Capability:35mW<br /><br />Package Includes:<br /><br />    1PC Super Bass Stereo In-Ear Earphone Sport Headset<br /><br />