ITEM NAME:10pcs Audio 3.5mm Jack Earphone Headphone Connector OMTP to CTIA Converters #gib Store Home Promotion Hot Item Add to Fav.In other words, OMTP earphones are compatible with CTIA phones and also CTIA earphones compatible with OMTP phones. Compatible plug standard: OMTP to CTIA or CTIA to OMTP. There are OMTP and CTIA two standards.
