Description:<br>   Brand Name: HUAST  Model Number: HUAST-30  Type: In-ear and Stereo Headphone With  Micphone:yes  Driver unit:30mm  Mic Diameter: &amp;Phi; 10mm  Audio interface: 3.5mm  Cable length: 1.15 m(&amp;plusmn;3CM)  Impedance: 32&amp;Omega;  Sensitivity: 102dB\/3nW  Frequency Range: 12-22000hz  Frequency response range: 20HZ-20KHZ  Power Capability:35mW  Rated Power:20mW  Optional color: Blue， Pink， Red， White， Green  Compatible with: Android， iPhone，PC，tablet pc or MP3  Features:     1.Pure music sound quality and colorful.  2.Small in-ear design， tie-in and transparent soft glue earmuffs， fit your ear type， wearing more comfortable.   3.3.5mm gold-plated plug for multiple platforms.  4.Clear sound and easy to adjust.   5.Earphone line can be changed anytime.<br>  Package Included:<br>1x HUAST-30 Music Earphone