Product Review

Fits for cord with 7mm inner diameter; * Easy to install with double snap clips * Reduce electro-magnetic interference and improve signal integrity *This rectangle Ferrite Bead can be widely used in a variety of Data cables, USB cable, telephone line, Network Line to Shield external electromagnetic interference. * In order to ensure the safety, reliability and purity of data transmission. * Helps reduce EMI on AC power lines. Black plastic enclosed ferrite core for 5/7/9/13mm AC power cords. Great for cutting noise on USB, Firewire, Phone, Power Cord, Coaxial, Audio, Video etc cables. * Easy Structure and convenient installtion. Just clip it on and you will get clearer signal and faster data transmission.