Apparently robust; After all, it has so far five cases wood inserts survived without damage in the closed chest pocket. It was always pretty wet from my excessive sweating. Battery life when you're not just time on the phone quite well. But the menu is used to. Bluetooth data transfer and I have (always) is not made. All in all a Händie how I wanted it: for calls only, organiesieren and alert - without Sperenzien.