Delivers high performance and versatile full range bass for your AV audio device equipment; Accurately transfer high bandwidth frequency quality detailed clean natural pure audio sound / realism and clarity jitter- in audio signals A beveled, step-down design of the 3.5mm connector accommodates most mobile devices in a case with a snug and secure connection; Built with heavy duty thick shielding, high-quality polished metal connectors and corrosion-resistant nickel-plated 3.5mm connectors; protection against radio frequency interference (RFI) and electromagnetic interference (EMI) Balanced solid conductors for enhanced internal noise rejection and clearer, deeper bass and eliminate strand-interaction distortion; Solid-core bass conductor optimizes low-frequency signal transfer for improved bass response Oxygen Copper Lines combined with a double shielding allow for a maximum audio quality; reduce distortion and signal loss; minimizes return loss, so music, dialogue a