Effectively the RCA seat) audio interface dust Some knowledge you may not know The seat is not protected from long-term erosion, resulting in the formation of oxide film (rust layer), green rust layer, etc., which are an insulator. If your audio connector is dusty, oxidized and rusted, it will affect your audio interface, leading to poor contact or unstable contact, especially the working ground wire, which will affect the sound quality of the audio and produce bad noise and other conditions. Immediate protection in one step Applicable to RCA seat terminals Imported for RAW materials, dependable and wear-resistant Rich in toughness, tension and relaxation adsorption, wear-resistant and dependable Flexible adsorption protection Using imported for materials TPU equipped with advanced production lines Delicate molds, produced by large factories Using high-density fine molds to eliminate burrs and rough edges Material: tpu Packing method: boxed Single set weight: 30g Single set contains: 1set interface dust (12 pieces)