Hi! Everyone. Almost each & every person have seen that type of round covering at the end of the Cable, just like VGA, DVI, Speakers In-out , etc. But rarely persons know what that is. No problem i m here to share my knowledge with you.
This Round Covering Called as a Ferrite Core. It is basically used for preventing the cable from giving of EMI ( Electromagnetic Interference). Some More Cables i have given below.
