In-ear headphones in black. Comfortable, secure-fitting silicone earbuds. Lightweight for unrestricted music mobility. 9mm neodymium drivers. Frequency range from 8 to 22 kHz. In-line remote control. Cable length of 1.2 meters. The Sony headphones MDREX15APB are practical earbuds for the train, on vacation, or on the go. Enjoy carefree music enjoyment anytime and anywhere with these high-quality headphones, and use the product with smartphones, tablets, or MP3 players. The pleasantly soft silicone provides the necessary comfort and a secure fit in the ear. The highlight is the 9mm neodymium driver for powerful, authentic, and top-notch sound. The lightweight design is also a plus. The frequency range of the headphones extends from 8 to 22,000 Hertz. In-ear headphones are the ideal companion. They are inserted directly into the ear canal. The resulting pressure chamber effect allows for a powerful sound experience without needing to turn the music up too loud. This protects your ears and simultaneously extends the battery life of your playback device. Additionally, in-ear headphones have excellent noise-canceling properties, allowing you to perceive disturbing ambient noises much less. Thanks to their compact size, they can be easily stored in any pocket, making them the perfect companion for on-the-go use. Closed design. The completely closed design of these headphones is not very air-permeable, but it provides powerful sound and rich bass. Moreover, disturbing external noises are very well dampened. Conversely, good isolation is also ensured: outsiders can hardly hear your music.