FiiO FD7 in-ear headphones

The FiiO FD7 in-ear headphones at a glance: In-ear headphones are a dime a dozen, but few are as rigorously engineered and constructed as the FiiO FD7. Pure beryllium drivers, customisable sound and the acoustic prism ensure uncompromising sound, packed into a beautiful, robust and classy housing.
The highlights of the FiiO FD7 at a glance:

    Light, strong and fast - Pure beryllium diaphragm material.
    Acoustic prism integrated - For optimal time response
    "Volcanic field" built in - Deep, clean bass guaranteed
    Sound individually adjustable - With two sound tubes and many accessories
    Elegant and robust housing - Made of high-quality stainless steel