Specification Brand : GUCraftsman BulletPoint1 : Use for Sony IER-M7 IER-M9 IER-Z1R...... BulletPoint2 : The cable is made of 6N single crystal silver, the cable sheath is made of soft and pollution-free PVC material, which has excellent resistance to discoloration and insulation, and the cable length is about 1.2 meters (47.2 inches). BulletPoint3 : Upgraded earphone cable: The middle and high audio levels are distinct, the sound dynamics are good, the penetrating power is strong, the low audio is freely retractable and the details are restored. It will not reflect the passing signal And refraction cause signal distortion and attenuation, so it has a unique high-fidelity transmission function. BulletPoint4 : The cable adopts professional hand-woven technology, which looks elegant and neat. The cable adopts a transparent, soft and pollution-free PVC sheath, which is soft to the touch and not easy to knot. BulletPoint5 : Some traditional crafts have been gradually replaced by machines, but our team members have always insisted on manufacturing high-quality hand-made audio equipment and headphone cables. We are familiar with the use of various HIFI cables to make upgrade cables. The craftsmanship, we adhere to "high-quality Material, high-quality craftsmanship, high-quality products" irreplaceable craftsmanship spirit. Color : Silver cable CompatibleDevices : Earphone CompatiblePhoneModels : Sony IER-M7, Sony IER-M9, Sony IER-Z1R ConnectorGender : Male-to-Male ConnectorType : L-3.5mm Plug ExternallyAssignedProductIdentifier1 : 750225576575 ExternallyAssignedProductIdentifier2 : 0750225576575 IndoorOutdoorUsage1 : outdoor IndoorOutdoorUsage2 : indoor ItemName : GUCraftsman 6N Single Crystal Silver Upgrade Earphone Cable 2.5mm/4.4mm Balance Earphone Upgrade Cable for Sony IER-M7 IER-M9 IER-Z1R (L-3.5mm Plug) ItemShape : Round ItemTypeKeyword : headphone-extension-cords Manufacturer : GUCraftsman ModelNumber : HG0021202CN NumberOfPins : 17 PartNumber : AY8-IER-M7 M9 Z1R ProductDescription : Specification: Brand: GUCraftsman Color: Silve Cable Length: 1.2 meters (47.2 inches) Cable Material: This cable is made of 6N OCC silve cable Wire Diameter: 6N OCC Silve wire is located in the center of 8 26awg fine stranded wires Interface: Use for Sony IER-M7 IER-M9 IER-Z1R Plug Type: 2.5mm TRRS, 3.5mm balanced, 4.4mm TRRRS, 3.5mm TRS, L-2.5mm TRRS, L-3.5mm TRS The 4.4mm balanced male head is compatible with SONY WM1A, NW-WM1Z, PHA-2A and other audio players with 4.4mm balanced ports. 2.5mm balanced male head is compatible with Iriver SR25 and other audio players with 2.5mm balanced ports ProductSiteLaunchDate : 2020-11-18T16:55:37.304Z RecommendedUsesForProduct : Upgrade cable for Sony IER-M7, IER-M9, IER-Z1R earphones Size : L-3.5mm Plug UnitCount : 1 UnspscCode : 52161600