SMSL Ivy Micro-USB DAC/Amp for Android for $23 [MD]

This looks like it might even be smaller than the Fiio E6, it is the SMSL Ivy Micro-USB DAC/Amp for Android, fully unlocked at members-only Massdrop for $20 plus $3~ flat shipping. This takes microUSB audio and outputs it via 3.5mm. It comes with a zippered case and ships in early August 2016.