The holder makes a good impression. It is "good" to the device and very safe. Smart is the locking of joints. It is form-fitting. You have no anknallen screw. You turn the phone holder in the right (in sufficiently fine steps adjustable) angle and locks the joint with the rotation of a small handle. This applies to the pitch of the instrument (up and down, depending on the inclination of the windshield of the car) and the rotation around the vertical axis, so the optimal views for the driver or passenger. It is true that you can also set up so the holder that the mobile phone screen is standing or lying. The Cell Phone Holder is easy to turn around (in 4 detent positions per 90 °). Because no forces act in this direction in the car, a lock is unnecessary.
Of all the probably nothing in the instructions, which I could not read, has been criticized by all. With me was not even a case. The site donzo.de was unreachable. Is there at all? The degree information in the product description are correct, you need such angles but in practice probably not. In this respect there is nothing to complain about at the corners. The settings are not variable. The grading is but fine enough, and, as I said above, the type of lock is much more valuable than continuous adjustability.
I am eager to use. If the lack of description as a single Grump. The I leave but now pass values with 5 points.