... and data transfer errors4.Foil and braid shields prevent unwanted EMI/RFI interference5.Compatible with USB 1.0, 1.1, 2.0 ... -PE (1P+earth+Al-foil & Mylar)*25.Inner shield:Al-foil+Mylar6.Outer shield:Braiding, Tinned copper wire ,96/120/144/168 ...