?IV-7 SPRING 3.5mm Noise Isolation In-ear Style Earphone Stereo Earphone  Description:This section is a musical horn headphone amplifier to reproduce realistic scene｣ｬ elastic texture of bass! Sound balance｣ｬ no distortion｣ｬ dynamic large｣ｬ clear and accurate sound field positioning｣ｬ able to maintain a sense of space and a sense of the scene of the original recording. Specifications:Frequency response:20-20KHz  Impedance:16Ω  Sensitivity:108db±2db Cord length: 1.2m   Plug:Φ3.5mm stereo Compatibility with:iPhone｣ｬSamsung｣ｬMillet｣ｬSONY｣ｬHTC｣ｬPC｣ｬtablet pc｣ｬMP3｣ｬCD｣ｬPSP and more. Features:super powerful driver unit｣ｬloud volume｣ｬstrong amplifier.Perfect support voice calls\/smartphone universal remote control.Wear-resisting antioxidant alloy cavity｣ｬProfessional mixer stereo hifi sense of hearing1.2m length cable can meet your different demands such as iPod｣ｬ iPhone｣ｬ bring more convenience for you.It's a perfect gift for lover｣ｬfriends｣ｬkids｣ｬelder ｣ｬemployee and so on. Package Included:1*IV-7 SPRING 3.5mm Noise Isolation Stereo Earphone More detail: