Sony MDR-E820 Natural Sound In-Ear Headphones - Grey Give your beats added kick - Give all your tunes a big bass sound with a 300 kJ/m3 high power neodymium magnet Get into the groove with dynamic audio - Hear every beat, every guitar strum in clear, vibrant sound, with a 13.5mm neodymium driver unit Hear every detail - These headphones deliver 104db/mW sensitivity and a wide sound range of 18-22,000Hz for detailed audio, no matter the volume Stay flexible - A 1.2m length cord in a Y-type design offers a flexible listening experience