Wireworld Ultraviolet 7 USB Digital Audio Cable USB A to B 0.5 Meter Length DESIGN: Symmetricon SIGNAL CONDUCTORS: Qty: 4 Gauge: 24AWG | 0.2 sq. mm CONDUCTOR MATERIAL: Silver-plated Oxygen-Free Copper INSULATION: Composilex 2 PLUG CONTACTS: 24K Gold-plated