This device is not only a car phone holder, but also a wireless charger. It supports 15W fast charging. It will align with your smartphone without affecting signal. It has a 360 degree rotating design, and it is easy to adjust to your optimised viewing angle. It is compatible with most vents. 

Specifications MagLeap Car Charger

Only suitable for iPhones with MagSafe

• 15W wireless charging (MagSafe compatible)
• Magnetic Holder + Drawers
• Easily rotatable
• USB-C cable
• See photo for suitable ventilation grilles
• Use with MagSafe case or without case