AKAI EWI USB is an electronic wind instrument for musicians looking for an easy-to-play, easy-to-use controller. It is the only choice for serious wind players looking to make music electronically.

Here is the official AKAI page that gives commercial information and pictures of the instrument.

Here is an interesting Youtube video posted by a professional user.

And finally, here you may download the EWI USB manual, which also contains the fingering charts. The instrument can be set to follow the fingering of a flute, an oboe, a saxophone, or to use its own fingering.