*mobile phone earphone/cell phone earphone *apply to 3G mobile phone, iphone *handsfree *in-ear, 5 colors *CE,FCC,RoHS Mobile phone earphones, mobile phone accessory, 3G mobile phone earphones,cell phone earphones, handsfree, in ... the hearing-impaired. Sound effect:Have the purest voice; capture high and low frequency with clear separation. The human voice and ...