1. Plug type: 3.5mm gold plated2. Cable length: 1.25m3. Oxygen-free copper has good thermal conductivity and electrical conductivity, the sound signal transmission is fast and stable, and the distortion rate is low.4. Pure hand-made professional weaving technique can reduce the mutual interference between conductors5. Compatible with most pluggable wire earphones, and the earhook design can be worn securely