1: Oxygen-free pure copper, super soft PVC elastic sheath Wire diameter OD: 3.0MM + high-quality nylon mesh 2: Main features: very light, fireproof, waterproof, mothproof, mildew proof and crack proof. 3: It has good elasticity and toughness, does not crack, deform, or fall off, and has strong durability. Good conductivity, environmental protection and softness. Scope of application: 1: Mixer, power amplifier, guitar, effects, equalizer, compressor, crossover, digital decoder, etc., 2: Connect professional microphones to cameras and other equipment, broadcast-grade professional microphones and connections between equipment. 3: Stage sound, press conference, KTV, professional amplifier, stage lighting, par light, home theater and other environments. size: 3.5mm Material:metal colour:Black Package Contents: 1 x Audio Line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1: Oxygen-free pure copper, super soft PVC elastic sheath Wire diameter OD: 3.0MM + high-quality nylon mesh 2: Main features: very light, fireproof, waterproof, mothproof, mildew proof and crack proof. 3: It has good elasticity and toughness, does not crack, deform, or fall off, and has strong durability. Good conductivity, environmental protection and softness.