Listen to your music in comfort with these Sony MDR-EX15AP In-Ear Headphones that feature comfortable, secure-fitting silicone earbuds, and a lightweight design for ultimate music mobility. They have a built in Mic so you can take hands free calls. The 9mm dome-type drivers and high-energy neodymium magnets provide lush, clear sound. Specifications Comfortable, secure-fitting silicone earbuds Lightweight for ultimate music mobility Built in Mic Choice of colours to suit your style 9mm neodymium drivers for powerful, balanced sound Driver Unit: 9 mm Frequency Response (Hz): 8-22,000Hz