Wzxksoac 10 Pcs Movable 7mm Inner Diameter Black Ferrite Core Ring Cable Clip with 10Pcs Clip on Clamp RFI EMC Noise Filters

2 set Electronic Accessories:10 x RFI Noise Ferrite Core Filter & 10 x Ferrite Cable Clips Great for cutting noise on USB, Firewire, Phone, Power Cord, Coaxial, Audio, Video etc cables! Just snap it on and you get clearer signal and faster data transmission These ferrite cores are superb at reducing high frequency interference caused by home appliances and electronics. Can be installed on any electrically-noisy home device, for example telephones, televisions, speaker cables, radios, Contact lamps and lights, even audio equipment and appliances