PAVEOS 10Pcs Black Clip On Clamp RFI Noise Ferrite Core For 7mm Cable Features: new and Mini shape and removable. Easy to install and convenient to use. Can be used to house a variety of wire. Such as: power cable 、audio cable、AV cable、data cable.etc It can improve the electromagnetic field around the solenoid thus avoiding outside interference. It can Improve the signal quality and shield radiation. It doesn't cause distortion of the transmitted signal and won't affect your audio video and picture quality. Package Includes： 10x RFI Noise Ferrite Core Filter Househeld supplies for adult and children Design: Our electronics gadgets adopts a close-to-life design, just to achieve a satisfying experience for you. Durability: This electronics gadgets is made of sturdy and durable materials, which can maintain its functionality even after frequent use. Multipurpose: This electronics gadgets can provide convenience for your daily life, whether it is for daily work or home leisure, you can also give it to your husband/wife/family, they will love it! Wide Selection: Discover an extensive range of household tools, from indoor to outdoor accessories, ensuring you find exactly what you need for your home . This electronics gadgets will surely fulfill your needs! Service: If you encounter problems in the process of using electronics gadgets, please feel free to contact us and we will solve them for you.