【Improve Signal Integrity】It can erase the noise that is generated by a portable device or other device, reduce electro-magnetic interference, so you will get clearer signal and faster data transmission. | 【Well Made】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. | 【Easily Mount】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. | 【Application Occasion】These noise filters can be widely used on car DVR, headset cable, loudspeaker cable, mouse cable, keyboard cable, USB cable video cable,audio cable,data cable, etc. | 【Reusable Noise Filter】Enclosed ferrite core for 5mm cables.It can be directly applied to a power line.In order to suppress electromagnetic radiation more effectively, the cable can be repeatedly twined around twice and please install them in place near the interference source.