Clip on ferrite bead cable can be used on various wire cords such as power cords, o cables, 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, o cables, and data cables - Compact design and removable; ensures no signal distortion during transmission - Well-made and high quality, constructed with durable housing and a ferrite core Packing list: 25 x suppressor filters