keephifi Earbuds Cable-QDC 4 Core KBEAR [Smooth] Ear Monitor Upgraded Cable, 5N UPOCC Singel Crystal Copper Cable with 4.4mm Plug, Suit for QDC-7872 915 SE215 CA16 NRA OS1PRO BL07 (QDC, 4.4Black)

1. Product name: KBEAR 4 Core 5N UPOCC Singel Crystal Copper Cable2. Internal core structure: Litz structure3. Characteristic: improve bass and mids4. Number of cores: 49*0.05mm +30*0.06mm5. Single outer skin diameter:1.8mm6. Conductor material:5N UPOCC Singel Crystal Copper7. Cable length:1.2 m8. Brand: KBEAR9. Color: Black color10. Plug type: Straight Plug 2.5mm/3.5mm/4.4mm11. Interface: MMCX/0.78mm 2PIN/QDC/TFZ

• ♩【Real material】Japan produces 5N single crystal copper wire with a purity of 99.9992%. This data supports any third-party testing and ensures that the pure of third-party testing is better than 99.999%.
• "♪【Comprehensive Structure Upgrades】 It sincerely presents [moisturize] Litz anti-oxidation structure. Each core has an independent anti-oxidation coating, which provides higher performance audio transmission under the skin-effect and proximity effect, effectively prevents oxidation and discoloration, and is more beautiful and durable."
• "♫【High Cost-Effective Strands】Made from 4 cores of 79 strands 0.06mm high-purity 5N single crystal copper wire, it adds up to 316 strands! The internal structure has changed from the traditional random twisting method to the double-layer coaxial twisting method. The material has upgraded from the original 28AWG to 0.09mm2, and the material used has increased by 19%!"
• "♬【Widely Compatible】Various pins of MMCX/2Pin/QDC/TFZ can be selected, which are widely compatible with most earphones on the market and help to provide users with more music experience and audio fun."
• "★【Key Improvements】4 cores of 5N high-purity single crystal copper conductors have a pure sound bottom; The matrix structure makes the sound field open; The high-frequency resolution is fine and burr-free; The mid-frequency is full and fresh; The vocals are oily, thick and full, with a strong sense of surround, good atmosphere, and low frequency. The overall sense of hearing is loose and natural, which can fully stimulate the potential of mid-to-high-end headphone units."