Battery and solar cells make this power pleasant, only a change of battery is not possible without using a screwdriver. Anyone who expects only in a dark cellar, might begin to think. Although I appreciate the button battery is master on average use even their year.
What bothers me, and why there is no 5 star is processing. My keys with the numbers are all wrong, there's too much play! Also a pressure point I would have liked.
Nevertheless, he is a balanced, meaningful accompaniment for work, school and study for 20 euros.