Sony's MDREX15LP In-Ear Headphones deliver a powerful and balanced audio experience with high-quality 9mm neodymium drivers. Engineered for ultimate music mobility, these lightweight headphones provide a wide frequency response from 8Hz to 22kHz, capturing deep bass and crisp highs. They include three sizes of comfortable, secure-fitting hybrid silicone earbuds (S, M, L) to ensure a perfect fit for extended listening. The tangle-free Y-type cord enhances convenience, making these headphones an ideal choice for daily commutes and active lifestyles.