This car phone holder can be easily mounted on the car air vent grille: slide the car holder into the car air vent and secure it. When the smartphone is inserted, the weight pushes down on the lower part of the holder and the mounting parts move on both sides. You then simply insert and remove the phone with one hand and adjust it 360 to select the desired angle. No obstruction of vision and safe driving is possible.Tested for compatibility. The car air vent phone holder fits all smartphones from 4.7 to 6.5 inches, with a maximum thickness of 10 mm with a protective case.The three power arms of the phone holder are made of thickened silicone pads which not only prevent your phone from falling out, but your phone will not break. It will not block your phone's charging port, volume buttons and headphone port and will not interfere with your phone's functionality. The stand is made of aluminium with an oxidised and frosted finish for a better look and longer life.Note: Only supports vertical screen use, not horizontal screen usePacking list.1*Car Mount