A simple and smart design and works very well.

This comment was originally written in English so I apologize for any Google Translate jokes.
Courtesy of the supplier, I was sent a free product in exchange for an honest review. This simple little editing works surprisingly well. The kit comes with two metal plates stick adhesive (not stick properly) at the back of the phone (or Sat Nav I suppose), while the powerful magnetic heel pushes firmly into the ventilation slots. I tried both in the car (Kia) and van (a really old transit) and it fits very well. The only small downside is that if the vents are a little loose and the phone vibrates a little.
I do worry about having a powerful magnet so close to the delicate electronics and the SD card, etc., but everything seems to be OK and although the magnet firmly holds my phone, I suspect he might struggle a with little in a mild case if the metal disc is glued to the phone rather than outside the housing.
All in all, however, it does the job it is supposed to do and there's no fiddling with the jaws of elastic supports - just click and go. There is also the added benefit of the windshield mounts that the phone can be conveniently mounted near the lightest power output cigarette so no messy cables.