Specification AgeRangeDescription : adult Amperage : 10 amps Brand : VSKEY BulletPoint : Electromagnetic Interference Filters BulletPoint1 : 【Packaging Includes】You'll receive 5 DIFFERENT SIZES 20pcs(4pcs*3.5mm,4pcs*5.0mm,4pcs*7.0mm,4pcs*9.0mm,4pcs*13.0mm Inner diameter) RFI EMI Noise Filter. BulletPoint2 : 【Wide Application】*Those Noise Filter Application Suitable for cable diameter Clip them on Headphone cable, usb cable,mouse cable,Audio cable,AV/Video cable,DVR/DVI cable, Coaxial/HDMI cable ,IP Line of Communication,VGA Cable,AC Power cable,Powered Cord, etc cables! BulletPoint3 : 【Shielding & Reduce Signal Interference】These ferrite core noise Filter Made of plastic housing and ferrite core, ,superb at reducing EMI(Electromagnetic Interference) and RFI(Radio Frequency Interference) high frequency interference caused by home appliances and electronics.Effectively improve the signal quality of audio and video.(Please ensure that the sound is not caused by equipment failure.) BulletPoint4 : 【Detachable and Reusable】Easy to install with double snap clips,can be dismountable,Just snap clip it on to a cable easily,Get clearer signal and audio sound quality.(If the wire is too thin too loose or you want get better anti-interference effect, you could wrap circles it around more. ) BulletPoint5 : 【 Installation Instructions 】The ferrite cores come in two split halves, Please install them in place near the interference source. (Near the import and export of shielding case as much as possible.) If a cable has equipment that needs to be protected on both sides, install one at each end..(Depending upon circumstances, identifying and troubleshooting both of affected and offending devices are necessary for successful installation.) Color : Black CompatibleDevices : All ConnectorType : Plug-In ExtendedWarrantyDuration : 2 months ExternallyAssignedProductIdentifier : 7660051597176 ExternallyAssignedProductIdentifier1 : 0679070551578 ExternallyAssignedProductIdentifier2 : 679070551578 GpsrSafetyAttestation : 1 IncludedComponents : 5 DIFFERENT SIZES Noise Suppressor ItemName : 20PCS Clip-on Noise Filter,VSKEY Anti-Interference High-Frequency Ferrite Core Choke Clip Noise Suppressor for 3.5mm/ 5mm/ 7mm/ 9mm/ 13mm Diameter USB/Audio/Video Equipment Cable ItemPackageDimensions_Height : 1.25 inches ItemPackageDimensions_Length : 4.3 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : electromagnetic-interference-filters Manufacturer : VSKEY Material : Copper ModelName : UPGENT ModelNumber : Noise Filter-VS-020 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Noise Filter-VS-020 PowerPlugType : no_plug ProductDescription : VSKEY Noise Filters Ferrite Core,Helps reduce EMI on AC power lines; Improve the electromagnetic field around the solenoid, thus avoiding outside interference. improve signal integrity and improve the signal quality of audio and video. (Please check your device and ensure that the sound is not caused by equipment failure.) Choose from a variety of size to ensure the best for you needs. Product Specification and Wide Application: 3.5mm(0.14inch) Inner Diameter Noise Filter : Suitable for 0.06inch - 0.14inch / 1.5mm - 3mm outside diameter cables, Such as: Car DVR, Headset Cable, Loudspeaker Cable, Mouse Cable, Keyboard Cable, USB Cable etc. 5.0mm/(0.2inch) Inner Diameter Noise Filter:Suitable for 0.14inch - 0.2inch/3.0mm-5.0mm outside diameter cables, Such as: Headphone,Car DVR, Loudspeaker Cable, Mouse Cable, Keyboard Cable, USB Cable, RS232 Serial Port Camera Cable etc. 7.0mm/(0.275inch) Inner Diameter Noise Filter: Suitable for 0.2inch - 0.27inch / 5.0mm-7.0mm outside diameter cables , Such as: Printer,,HDTV,HDMI,AV signal cable, Coaxial cable, Audio Power Line, IP Serial Port Camera Audio Video cable etc. 9.0mm / (0.35inch) Inner Diameter Noise Filter: Suitable for 0.27inch - 0.35inch / 7mm - 9mm outside diameter cables, Such as: HDMI Cable, VGA Cable, DVI Cable, Power Line, Loudspeaker Cable, Industrial Cable etc. 13.0mm / (0.5inch) Inner Diameter Noise Filter: Suitable for 0.35inch - 0.5inch / 9mm - 13mm outside diameter cables,Such as: HDMI cable, IP Line of Communication, DVI Cable, Overstriking VGA cable Industrial cable etc.