Power & Soul showerhead Grohe ...

The shower head is just a little care instructions without shower hose. The one need usually not as often and as much as a new head.
It can be quickly and easily install.
Despite its size, it is lightweight and portable.
According to instructions he can so few:
four different spray (Rain, RainO2, Active Massage and JetSpray)
all can be used individually, or mixed use (One-Click Showering)
all thanks to perfectly matched nozzles
no burning on hot chrome surfaces
long lasting shine
Limescale (easy to remove)
internal water management (for longer life)

The showers so is very pleasant. Especially the RainO2 setting is well suited for a longer showers. The beam is softer. However, the other three are good.

Small drawback is the control or adjustment of the shower types. The four regulators are on top of the shower head, are thus rather something difficult to achieve, are smooth when wet and more difficult to handle.
Conclusion: All in all, a good shower head, well made, easy, fast installation. However, operation is cumbersome and hakelig.