In pursuit of the perfect sound effect, Zoro has been developed from the outstanding intelligence and perfect SCCB technique of professional masters. The 40mm high-quality neodymium magnet speaker is almost fully hand-selected, with low frequency sound cavities calibrated at ten thousand times and the cotton buds of the acoustic earphones having undergone professional tests. The low frequency sounds are solid and powerful, the intermediate frequency is well-balanced, the high frequency is down to earth and lively, and the overall three-dimensional effect is outstandingly clear and achieves a high level of clarity. Zoro's non-destructive sound effect restores the spirit of music. It makes you feel like part of music and musician's world and it allows you truly enjoy every single minor detail of music, bringing you a brand-new incomparable perspective of real music.