Nordost Frey 2 USB C AdaptorFREY 2 USB C ADAPTER The Frey 2 USB C Adapter gives audio enthusiasts who have previously invested in high end USB cables the opportunity to continue to use those cables after upgrading to a source that requires USB C compatibility. Like the Frey 2 USB Cable, the adapter uses solid core, silver plated 99. 99999% OFC signal conductors. The use of solid core conductors eliminates the negative effects of strand interaction and skin effect. Each conductor