The often criticized volume I can not empathize. Sure you hear a slight hum, but this does not bother, because the water rippling in itself is loud.
Colors are set according to how hard the water temperature and is very intense. I find really great.
Workmanship and materials are price accordingly in order.
There are no defects. However, I recommend people do not always want to take a shower in the same color a showerhead with color change. As I take a shower at almost always the same temperature, the color remains constant. This is not annoying, but I'd like to sometimes look at the other colors :)
In the future I would therefore, more likely to buy a shower head with automatic color changes.