FiiO is releasing image of an upcoming product call the E02i 'ROCKY'. You can think of it as an upgrade mix of FiiO E1 and E3, an in-line amp with mic and remote support for the iPhone. Detail is slim at the moment, but there is also the possibility of a version for smartphones other than Apple.
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Here is the initial rendering of E12, which is going to be the higher end project FiiO is working on. No other detail yet.