Features: Eliminate unwanted noise and enhances your auditory experience with the Cable Noise Filter Isolator. Remove hissing, buzzing from car and home phone tablets and more. Featuring a durability PVC and alloy construction, this isolator is easy installation between any 3.5mm port and media player, ensuring flexibility and long time use without costly rewiring. For music enthusiasts, car owners, and audiophiles this isolator to anyone who values highly auditory performances in their devices. Perfectly for use in car Auditory systems, home theater setups, or any environment where clean auditory is essential, the Noise Filter isolator effectively purifies sound by eliminating electrical interferences. Specifications: Item: 3.5mm port Noise Isolator Length：about 130mm/5.12in Component：PVC+alloy Package Includes: 1PC 3.5mm Noise Isolator note: Due to light and screen difference, the item color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement