Listen to your music in comfort with these sony mdr ex15lp inear headphones that feature hybrid silicone earbuds in 3 sizes for a comfortable custom fit the 9mm dome type drivers and high energy neodymium magnets provide lush clear sound features comfortable secure fitting silicone earbuds lightweight for ultimate music mobility 9mm neodymium drivers for powerful balanced sound 8hz 22khz frequency range specifications connectivity technology wired sound output mode stereo