AudioQuest Dragon Tail USB Adapter for Android Devices The DragonTail USB adaptor activates USB Host Mode on most Android devices, allowing the devices to transmit USB digital audio to an outboard digital-to-analog converter (DAC). Using DragonTail to connect to an external USB DAC, such as an AudioQuest DragonFly, will provide greatly improved audio performance. Features Solid 5% Silver Conductors Eliminate Inter-Strand Distortion Hard-Cell Foam Insulation Maximizes Geometry Stability Carbon-based Noise-Dissipation System Minimizes RF Interference All Conductors Controlled for RF Noise Directionality