https://www.audiosanctuary.co.uk/audioquest-jitterbug-fmj-usb-data-and-power-filter.html
JitterBug FMJ USB Data & Power Noise Filter, by AudioQuest | Audio Sanctuary
AudioQuest JitterBug FMJ (Full Metal Jacket) USB 2.0 Noise Filter reduces radio frequency noise and resonances in digital electronics, enabling a better audio...
jitterbug fmjdata powerfilter byusbnoise