Product Description
Features:
Helps reduce EMI on AC power lines. Black plastic enclosed ferrite core for 5 mm AC power cords. Great for cutting noise on USB, firewire, phone, power cord, coaxial, audio, video cables, etc.
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.
Easy to install with double snap clips; Reduce electro-magnetic interference and improve signal integrity.
Easy structure and convenient installation. Just clip it on and you will get clearer signal and faster data transmission.
Fits for cord with 3.5 mm, 5 mm, 7 mm, 9 mm and 13 mm inner diameter (with 5 different size included,4 each).

Package Includes:
20 x cable clips
4 x Anti-interference Magnetic Ring(3.5MM) 4 x Anti-interference Magnetic Ring(5MM) 4 x Anti-interference Magnetic Ring(7MM) 4 x Anti-interference Magnetic Ring(9MM) 4 x Anti-interference Magnetic Ring(13MM)