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 field and signal quality around the cable by reducing external interference. It does not cause signal distortion and does not affect o, video, or picture quality. Features: - Material: Nickel zinc ferrite - The ferrite core helps reduce high-frequency interference caused by home appliances and electronic devices - Clip-on ferrite chokes with self-adapting 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 transmission distortion - Durable construction with high-quality housing and ferrite core Packing list: 30 x suppressor filters