Features: - new and high quality - Made of high quality materials, durable - 10x TDK Ferrite Core Noise Suppressor Filter Ring 5mm Diameter Cable Clamp RFI EMI - Ideal for noise cancellation on USB, Firewire, Phone, Powerline, Coaxial, Audio and Video cables. - Just clip on the cable and you will get a clearer signal - Widely used in computers, hard disks, audio equipment, copiers, fax machines, etc. - Fits 5mm diameter cables Product parameters: - Dimensions: 12 x 25 mm - Rectangle ratio: 20 - Coercivity: 16 (A/m) - Remanence: 200 (mT) - Curie temperature: 130 () - Density: 4.9 (g/cm3) - Applicable wire diameter: 2.5-4.5mm - Function: Anti-jamming - Material: Soft Magnetic - Color: Black, gary(optional) - Quantity: 10 pieces, Package Included: 10x TDK 5mm ferrite core noise suppression filter ring (optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. _x000D_ Due to differences in shooting equipment, displays, and production batches, the product may have slight color differences. This is normal, please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you watch it under natural light for the most accurate visual effect.