I like the portability and wire-less nature of the Turtle Shell, but I have had 2 issues with it thus far:
1. When I use the blue tooth function, audio is in-and-out and often choppy, so I don't really use this for blue tooth.
2. This speaker is not well suited for high-bass music (i.e. some house music). The speaker will rumble on very deep bass, which prevents me from really enjoying the big sound of this small speaker.
I expected to have a few issues with such a small speaker, and I am okay with that. For me, not having to deal with or see tons of wires when I move this speaker was totally worth this purchase.