OK, so Massdrop just did a deal on these for $75, and I picked up a set. First foray into Bluetooth.
They arrived on Friday, and I used them for my morning walk yesterday and today. First impressions:
* Good bass. Maybe a little too pushed for my tastes, but not by much, and overall good quality.
* Mids are a bit recessed, sometimes get kind of vague. Mids are definitely the weakness of these.
* No complaints about the highs.
* Overall impressive SQ for $75 Bluetooth. If the mids were better they'd be fantastic.
* Fit is pretty good, and they stay in place quite well, even when sweating. (My morning walk is with wrist and ankle weights at an aggressive pace. Just can't run because of bad knees.)
* Some microphonics from the cable. Really nice that they provided the little cable cinch as part of it, that really helps.
* Microphone is utterly useless, the phone hardly ever hears anything I say into it. Not a major deal for me, as all I'm doing it trying to switch playlists with Siri. Minor annoyance at worst for me, but be warned if you're planning to handle a lot of calls with it. (I wear it behind my neck, which I'm sure is the problem, but if I wore it otherwise, the microphonics would be really annoying.)
* Had it drop the connection only once in about two hours of use, phone in right back pocket while I walk. Not bad, but we'll see how it goes after a bit more use.
In general, I'm pretty happy with them. Better than I expected for that price tag.