Features: - Brand new and advantageous - Made of wonderful material, sturdy - 5x TDK Ferrite Core Noise Suppression Filter Ring Cable Clamp RFI EMI - Noise cancellation for USB, Firewire, Phone, Powerline, Coaxial, Audio and Video cables - Just clip at the cable and you'll get a clearer signal - Widely utilized in computers, not easy drives, audio equipment, copiers, fax machines, etc - New clip-on ferrite toroids assist lower EMI on AC energy traces - Widely used design, rectangular ferrite bead - five various sizes 3, 5mm, 7mm, 9mm, 13mm - Double snaps for straightforward installation, ferrite core with plastic hide - Reduces EMI and improves signal integrity Specification: - Type: 3, 5mm, 7mm, 9mm, 13mm (optional) - Quantity: 5pcs - Function: anti-jamming - Product Name: Nickel Zinc Ferrite - Magnetic ring: 3-15mm - Saturation Magnetic Induction: four hundred - Initial permeability: a thousand - Rectangular ratio: 20 - Coercivity: 16 (A/m) - Remanence: two hundred (mT) - Curie temperature: a hundred and twenty (℃) - Density: four (g/cm3) - Function: anti-jamming - Material: gentle magnetic - Colour: Black - Material: magnet, plastic Package Included: 5* Noise filter (optional) Notes: 1 Due to varied factors corresponding to demonstrate brightness and lightweight brightness, the actual color of the product could also be slightly different from the website picture 2 Please enable a slight deviation between the info and the handbook dimension