Use neodymium iron boron, which can suck up 2KG weights, solid suction, and form a solid magnetic field, as not to hurt the phone, not to interfere with the signal
The use of high-quality aluminum alloy, with good strength and corrosion resistance
This bracket can be installed on the steering wheel to use, but the airbag pop-up may be a safety hazard, for your personal sake, remind attention to careful driving