1. The use of oxygen-free copper wire core, the dense shielding net ensures that the audio signal is not disturbed, and has strong noise reduction ability 2. Thickened copper core conductors enable lossless transmission of sound quality 3. Soft PVC black wire sheath, wear-resistant and durable, tensile and compressive, soft and can be bent at will 4. Metal gold-plated plug, anti-rust and anti-oxidation 5. Flat plug design, takes up less space 6. Core: Bold 20AWG oxygen-free copper core
