Furutech GT2Pro series USB 2.0 Cables, Featuring 24k Gold-Plated Nonmagnetic USB 2.0 Connectors, And Furutech’s Newα(Alpha) OCC Silver Copper Alloy Conductor. Features: • Main conductor: 26AWG α (Alpha) OCC Silver Copper alloy Conductors, • Power conductor: 24AWG Silver-plated α (Alpha) OCC Conductors, • Main Insulation: Special-grade high-density polyethylene, • 3-layer shield construction for improved noise insulation, • Connectors: Furutech-engineered 24k gold-plated USB series Connectors with a special 24k gold-plated copper alloy EMI shield incorporated into the connector, • The best damping and insulation materials for improved frequency extension and tonal balance, • Cable Types and Lengths - GT2Pro-B (Type A to B) and GT2Pro -mini B (Type A to mini-B) Lengths : 0.3m(1ft ) / 0.6m (2ft) / 1.2m (4ft) / 1.8M (6ft) / 3.6m (12ft) / 5.0m (16.5ft)