Good not Great,
This review is from: Kinivo ZX100 Mini Portable Speaker with Rechargeable Battery and Enhanced Bass Resonator (Electronics)
I really like this thing. When I got it it was a tenner, and I think that is about the right price, if a little cheap maybe.
I use it for when I'm washing up and for when iPlayer isn't loud enough.
My wife has a MusicalAngel which is more than double the price of this thing, but is certainly better.
This thing has a decent sound and goes fairly loud.
It is compact when closed up, very light, feels sturdy and well made, can be daisy-chained to more units (which I think would sound good). It is also has a nice blue light, which I am a sucker for.
Also, the battery life seems to be very good.
For £10 and for the things I use it for (and it looks very good), this is great. If you're willing to spend more (but not a great deal more), then definitely check out the MusicAngel - a better sound and even better blue light!