Android Bundle AudioQuest DragonFly Black v1.5 USB DAC Headphone Amp and Micro OTG USB 2.0, 5in ANDROID Bundle includes one Micro OTG USB 2.0, 5in cable and the DragonFly Red. (DragonFly Red is compatable on Apple devices with an Apple Camera Adapter that is not in this bundle) The new DragonFly Black 1.5 is software upgradeable through complimentary Windows and OS X desktop applications. As new developments arise in music player applications, streaming protocols, or other associated software, DragonFly users will be able to incorporate those updates into their existing devices. DragonFly Black outputs 1.2 volts-enough power to capably drive all preamplifier input circuits and all reasonably efficient headphones. The new DragonFly Black 1.5 also incorporates improved 32-bit ESS Sabre DAC chips-the 9010-which employs minimum-phase filtering for naturally detailed, more authentic sound. Asynchronous transfer ensures digital timing integrity.Fixed output feeds preamp or AV receiver