This is great spray, I use it on my auto garage door. Used it only twice because my door started squeaking and I have not heard one peep since I used it the second time. Good product!

A bit bigger than I expected, but it comes with around the ear clips and earbud tips of various sizes. There's almost no way you can't make this comfortable. Battery life is superb, charging time is fast, i'm still not sure how well the microphone works because I can't figure out voice-dialing with SIri. Had some trouble with a split zipper on the carrying case, it just wont re-mesh, but I never use it beyond storage of extra parts anyhow.