AudioQuest - Jitterbug USB Filter + AudioQuest DragonTail USB 2.0 Extender - Walmart.com
AudioQuest Dragonfly USB DAC Bundle with AudioQuest Jitterbug USB Data Power Noise Filter and AudioQuest DragonTail USB 2.0 Extender (for Android Devices) - Cobalt - Newegg.com
Amazon.com: AudioQuest Dragonfly V1.5 USB DAC + AudioQuest DragonTail USB 2.0 Extender : Industrial & Scientific