XDuoo XQ-10 Portable Amp for $27 shipped [MD]

A new offer is now fully unlocked at members-only Massdrop, the XDuoo XQ-10 Portable Amp (a Fiio E6 type of a competitor) is on sale for $23 plus $4 flat shipping. It is available in silver or black. Close-ups of the ports and buttons are shown there. Shipment estimate is reasonable, late June 2016.