Description:

Ferrite Core is the accessories for helping improving the electromagnetic field and signal quality around the cable, avoiding outside interference. It can be used on all kinds of wire cords such as: Driving Recorder, Power Cord, Audio Cables, Data Cable, Mouse Keyboard Cable, USB Cables, Headset Cable.. Material: Plastic shell, Color: Black, Inner diameter:3mm/0.1inch, 5mm/0.2inch, 7mm/0.3inch, 9mm/0.4inch, 13mm/0.5inch. Outer diameter: 12.7mm/0.5inch, 13.1mm/0.51inch, 15.5mm/0.61inch, 19.1mm/0.76inch, 22.8mm/0.90inch. Packaging: 27Pcs (6pcs x 3mm Ring+6pcs x 5mm Ring+5pcs x 7mm Ring+5pcs x 9mm Ring+4pcs x 13mm Ring with 1pcs x Toroid Core Iron). The Ferrite Core won't cause distortion of the transmitted signal and won't affect your audio, video and picture quality.. Simple installation, straight through the wire, wrap around the outside of the wire, cable or cord.For a better anti-interference effect, the outer sheath of the wire can be peeled off and wrapped around the ring for a few more times..