*【Widely Used】It can be clipped on AC power lines, USB cable, mouse cable, keyboard cable, headset cable, video cable, audio cable, data cable, etc.It doesn't cause distortion of the transmitted signal and won't affect your audio video and picture quality. | *【Improve Signal Integrity】Made of high quality plastic housing and Ni-Zn ferrite core, with inner self-adaption clips can mount on cables tightly.These ferrite cores play a very good role in reducing high frequency interference caused by home appliances and electronics. | *【Double Snap Clips Design】Easy to install with double snap clips, the ferrite cores come in two split halves, just snap them on the cables, you will get clearer signal and faster data transmission. | *【Avoiding Electro-Magnetic Interference】Enclosed ferrite core for 7mm wires.It can be directly applied to a power line.In order to suppress electromagnetic radiation more effectively, please install them in place near the interference source.If a cable has equipment that needs to be protected on both sides, install one at each end. | *【Make Great Effort To Keep You Happy!!】If you are unhappy with our products, just tell us within 90 days, we will give you Helpful Solutions or Full Refund.