compatible for RCA protection caps are practical for safeguarding your audio interfaces. The pure copper construction provides durability and corrosion resistance. Use them to cover unused ports, preventing dust accumulation and maintaining the condition of your audio equipment. Features -Color:Assorted Color -Material:Metal -Size:1.00X1.00X1.00cm/0.39X0.39X0.39in -Enhanced fade resistance: the plating offers practical resistance to fade, keeping your audio connectors in condition -Stable audio transmission: constructed from pure copper, these caps ensure a stable and uninterrupted audio signal for highfidelity sound -Convenient design: the makes it easy to plug and unplug, providing simple connectivity for your audio devices -Dust protection: the dustproof design safeguards your audio connectors , ensuring they remain clean and functional -Comprehensive audio protection: suitable for protecting multiple audio connectors, these caps offer a for your audio system Package list: 4 interface protection caps