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In-ear Earbuds: Cables Replacable Synamic Dual Driver Voise isolating Electronic tuning multiple color,Shock Dual Dynamic Coils---Array type titanium diaphragm double unit 6 mm, blessing electronic tuning technology, current filtering clutter, combined with N1 man-earphones ear structure, redefined. The double dynamic headphones from turbidity, restore nature sound source In-ear Earphones: Electronic Tuning+Physical Frequency Division+Personality Structure Independent research and development of electronic tuning technology, equipped with an array of dual-unit titanium diaphragm on the basis of three times to improve the kinetic energy of the magnet to optimize the voice coil feedback speed and enhance transient response. Wired Earbuds:Wear-resistant and Durable Gold-plated Ear Cables,The plug is ergonomically designed. 12"curved design,2u thickness gold plating，Jack: 3.5mm,Cable Length: 47inches,HIGHQAULITY SOUND Durable High-quality Materials Were Authorized by CE,FCC,ROHS.