AudioQuest DragonFly Red v1.0 USB DAC with JitterBug USB Data and Power Noise Filter Package with DragonTail USB 2.0 Extender 1 - AudioQuest DragonFly Red v1.0 USB Digital-to-Analog Converter 1 - AudioQuest DragonTail USB 2.0 Extender 1 - AudioQuest JitterBug Dual Function USB Data and Power Noise Filter