... in-ear metallic audio earphone/In-ear Earphone/Earbud/mp3 earphone/stereo earbuds/audio earphone/earplug/metal earphone/earphone/fashion earphone1.With elegant ... the needs of individual customers taste5..The earbud/earphone is suitable for MP3,MP4,iPod nano,iPod ... ,ROHS,FCCTechnical Data:Speaker Dia:6U 710mmSensitivity: 104dB S. P. L at 1KHzImpedance: 32ohmRequency Response: 20--22000HzRated Power: ...