VIABLUE H-Flex Optical Cable with T8 Toslink ConnectorsVIABLUE H Flex toslink cables are optical high end digital cables that transmit digital signals by fiber optics technology. They provide you with very low attenuation rates. Thus, their transmission is loss free and highly efficient even over long distances. A doubled cable sheath prevents external distortion by light, which guarantees a complete and precise signal true to the original. Optical S PDIF high end digital cable Transmission of light waves