Native Resolution : Up to 24-bit / 96kHz Output : 2.1 volts DAC Chip : ESS ES9038Q2M DAC chip with minimum-phase slow roll-off filter for more natural sound Volume Control : Digital: 64-Bit Bit-Perfect Volume Contro Desktop Compatibility : Windows 7 and later; Apple 10.6.8 and later; Linux (no tech support provided) Mobile Compatibility : Apple iOS 5 and later; Android 5.0 and later. For Android devices, see owner's manual Dimensions : 57mm (l) x 19mm (w) x 12mm (h) Enclosure and Accessories : Cobalt blue automotive finish with silver lettering; Protective endcap; Contoured enclosure; Leatherette travel pouch; DragonTail USB-C adaptor