Overall good, hand size 9.5, only conditionally recommended for gamers, was once 10 Euro

I wear gloves in size 9.5.
The mouse can I easily access.
Forefinger is on the left button, middle finger on mouse wheel, ring finger on the right button.
Left and right buttons can be operated safely at a distance of approximately 3 cm.
The troughs of the fingertips on the left and right mouse button are very mild and would not bother even with shorter fingers too much.
The scan is very good.

Defects in my opinion:

I am aware that these mice is not advertised as a gamer mouse, but this applies to all vertical mice to.
The mouse wheel is rasterized. It has 12 levels. A racing free and thus faster rotating wheel Währe been pleasant.
Unlike horizontal mice you have here with your thumb a little backpressure afford when clicking - a matter of habit.
In video games disturbs the unusual handling of the mouse.
For me as a casual gamer (currently with World of Tanks) the suitability is just so given as a gaming mouse. With much faster games, I can imagine that after a lot of practice and getting used a repeatable precise operation will be possible.

Despite everything and overall good alternative for players with Handgelenkswehweh.
I will add in the future as it is ordered with the longevity of the mouse.

Edit: Now about a week later the mouse will cost 15 euros at a time and has become 5 euros more expensive.

Edit2: The mouse will now cost 18 euros ... The hell knows where they feed of 80% comes from within three months.
Still to respond with my now no more keys. Also the mouse wheel is not working. The mouse is recognized, installed the HID driver, the mouse pointer moves, but the buttons do nothing when pressed. I unfortunately had to return after three months because of this defect.