The Sony MDR-E9LPB is a set of in-ear headphones designed to deliver precise and comfortable sound thanks to its binaural structure that fits inside the ear. Equipped with a wide frequency range from 18 to 22,000 Hz, these headphones provide clear and detailed sound reproduction, suitable for various music styles and daily use. Its 104 dB sensitivity ensures a high and crisp sound level, while the 16-ohm impedance guarantees stable quality when connected to different devices. They feature wired connectivity via a 3.5 mm jack, offering universal compatibility with a wide range of players, smartphones, and other standard electronic devices. Made from materials such as plastic and polyethylene, they come in a blue and white design, adding a modern and versatile style. These headphones are especially recommended for those seeking a compact and lightweight accessory that does not compromise audio quality, ideal for use on the go or in environments requiring discretion and a secure fit. In summary, the Sony MDR-E9LPB combines functionality and comfort in an accessible and practical product, suitable for users who value sound fidelity in a classic and reliable format.