As was the case with the two prior Mikeys, the pitch with Mikey Digital is that you can add a semi-flexible external microphone to the bottom of your device, enabling you to capture higher-quality, stereo audio on the go than might be possible with the monaural mics found inside current iPhones and iPads. The design is virtually identical to Mikey for iPod’s, which is to say that it’s a black and silver attachment roughly 2.4” tall,…