Description: 4.4 mm Female to 6.35mm Male convert adapter lets your 4.4mm output devices work with 6.35mm NOT ONLY balanced BUT ALSO the stereo headphones, earphones. All adapters can only used with portable players , do not use in high-power AMP. The 7n single-crystal copper copper and silver composite materials are more transparent, and the details are well restored. The signal loss is minimal, it has both a solid sounding bottom of the copper material and the smartness and texture of the silver material. It is not the low bass, which can reduce the amount of bass, increase the texture, bring rich texture bass,speed up,smooth and full of emotional sound, sound field, positioning, and knot images have improved, the king of the line in the king, well deserved. Specification: Material Product Model:7N Frozen Single Crystal Copper Plating Silver Length:200mm Type: Audio Extension cable Package Includes: 1 Piece 4.4mm Female to 6.35mm Male Converter Cable Note: Our 7N (99.99995%) single crystal copper wire thick silver plating layer, oxygen content of less than 10ppm,hydrogen content of less than 0.255ppm, top performance, and soft and tough