Nice hunt @focusnow!
The 'Saramonic SmartMixer' looks like a very useful device which allows you to record high quality stereo audio through the 3.5 mm jack on your smartphone or camera.
It is able to provide 48v phantom power if needed and has two 3.5mm line in connectors as well as a mini XLR connector for balanced microphone input. A standard XLR adapter cable is included, in the box.
The monitor function is a big bonus too which enables you to hear the audio captured perfectly, on the fly.
I like the fact that it comes with a hot shoe mount which makes it a breeze to use with your DSLR.
Overall, this seems to be a nice tool to capture great sounds with and it is pretty good value too, at only $149.95/£115.