28-gauge stranded tinned copper conductors for excellent signal transmission. Flextec PVC rubberized cable jacket provides added durability. Aluminum undermold shield to meet FCC requirements on EMI/RFI interference. Tin-plated copper contacts provide maximum conductivity with no data loss. State-of-the-art wiring design ensures 100% compatibility with all devices 100% of the time. Ground indents provide excellent conductivity and retention with mating connectors. PVC premold encapsulates individual conductors to ensure electrical isolation and to eliminate stress. Belkin Lifetime Warranty.