Feature Highlights: 1. Universal Compatibility – This clip-on ferrite bead works with all kinds of cables, including power cords, audio cables, AV cables, data cables, and USB cables. 2. Reduces Interference – The nickel zinc ferrite core helps minimize high-frequency noise from household electronics and appliances, improving signal quality and reducing electromagnetic interference. 3. Secure & Long-Lasting Fit – Designed with a self-adapting clip that grips cables tightly and stays firmly in place for reliable, long-term use. 4. No Signal Distortion – It effectively filters out unwanted noise without affecting your audio, video, or picture quality during transmission. 5. Compact & Removable Design – Small in size and easy to install or remove whenever needed, without damaging your cables. Product Details: These ferrite core rings are made from high-quality nickel zinc ferrite and durable housing. They help clean up electromagnetic interference around your cables, ensuring clearer signals and less outside noise. Easy to clip on—no tools required—and suitable for AC power lines, USB cables, mouse and keyboard wires, headsets, video/audio cables, and more. Specifications: - Material: Nickel zinc ferrite - Pack includes: 30 suppressor filters - Design: Clip-on, removable, mini size - Use: EMI/RFI noise suppression for various cable types