... .Best service and cheap price 4.Free Sample Feature:Double speaker multimedia earphone/Metallic MP3 Earphone/Stereo Earphone/In-ear Headphone ... . Various colors meet the needs of individual customers taste5..The earbud/earphone is suitable for MP3,MP4,iPod nano,iPod classic ... price and fast delivery8. Comply with CE,ROHS,FCCTechnical Data:Speaker Dia:6U 10mm/15mmSensitivity: 104dB S. P. L at ...