the heart and activity monitors. This headset worked for 10 minutes Just too much trouble. I?m impressed that this is a quick and painless way to remove ear wax. No harm, no drop off during running. my only problems is that I cant charge it on my at-home charger due to the thickness of the cover, but will charge on my platform charger. Returning the white 7 :/ 00) for 3d character modeling (the feature I was most excited for) and also the PlayStation camera with mic ($40-$60 based on where you buy it from) for voiceover work. The good:They are comfortable, solid, and feel well-made. These are my first higher end IEM?s.