Product details:

Pairs a dynamic driver (subwoofer) with dual balanced armatures (treble units) and double resonators for pronounced highs & bass with full sonority. Low distortion but high resolution with two balanced armatures. Hi-Res attested and silicon covers protected to make every sound detail clearly audible. Rated Power is 5 mW Patented "triple-layereddesign in dynamic drivers with dual PET layers and inner aerospace metal layer for clear human voice. Humanized in-line control design combined with ergonomically optimized earbuds for convenient and fatigue-free listening. Speaker 20mW/168 hrs Precise tuning and pitch by Grammys awarded sound engineer, Luca Bignardi, to energize and warm your ears.