Ferrite Bead for 4.5mm USB Cable

You can add this to your USB cable to reduce RFI noise. If your USB device drops out connection from the PC while the car is running, this might be all you need! Snaps right onto existing USB cable. This one is for the thicker cables (4.5mm max), such as those included with the Ostrich, APU1, and bulkhead-cable kit used with QuarterHorses and Demons.