Clip on ferrite bead cable can be used on various wire cords such as power cords, AV cables, data cables, and USB cables. It helps improve the electromagnetic environment and signal quality around the cable by reducing high-frequency interference. It does not cause signal distortion and will not affect o, video, or picture quality. Features: - Material: Nickel zinc ferrite - The ferrite core reduces high-frequency interference caused by household appliances and electronic devices - Clip-on ferrite chokes with self-adhesive clip securely attach to cables and provide long-lasting performance - Suitable for AC power lines, USB cables, mouse cables, keyboard cables, headset cables, video cables, AV cables, and data cables - Compact design and removable; ensures no signal distortion during transmission - Well-made , constructed with durable housing and a ferrite core Packing list: 25 x suppressor filters