--open design: Open wireless earphones surround directional sound field, surround directional sound field speakers use physical ecological membrane technology, compact body --comfortable to wear, no ear clips required, protect ears from damage --The headset is only 18g, light and portable --Bluetoot..
--open design: Open wireless earphones surround directional sound field, surround directional sound field speakers use physical ecological membrane technology, compact body --comfortable to wear, no ear clips required, protect ears from damage --The headset is only 18g, light and portable --Bluetoot..