1. CABLE CORE MATERIAL: The core is single crystal copper copper wire with good conductivity and shiny cover. It can improve the resolution and separation of the headphones, eliminate the dull bass of the headphones and restore the real sound. Provide lossless sound transmission. 2. GOLD PLATED CONNECTORS: Gold plated connectors are more resistant to plugging and unplugging, and have excellent oxidation resistance. Sound transmission and resolution are not disturbed, providing lossless sound quality. 3. HIGH PERFORMANCE: The sound cable can reduce the stethoscope effect, reduce the negative effects of skin effect and proximity effect, and other advantages, and has a strict production process for music lovers. 4. DURABLE: 3.5mm stereo female to 4.4mm balanced male headphone adapter cable. 8 strands of stranding cable provide maximum durability. The cable has a high tear strength, abrasion resistance and a high service life. 5. COMPATIBLE DEVICES: Headphone adapter cable is compatible with headphones, sound players, stereos, mixers and other devices with compatible interfaces. Compatible for NW‑WM1Z NW‑WM1A MDR‑Z1R TA‑ZH1ES ZX300A sound player, etc. Specification: Item Type: Headphone Adapter Cable Connector: 3.5mm Stereo Female to 4.4mm Balanced Male Cable Core Material: Single Crystal Copper Connector Process: Gold Plated Cable Length: Approx. 14cm/5.5in How to Use: Plug and Play packing list: 1 x 3.5mm Female to 4.4mm Male Headphone Adapter Cable Note: All data are measured manually, and there are certain errors in the measurement results.