Just place your phone in the holder. Automatically locks the phone, which is performed in a stable triangular construction. Keep your phone safe, even when driving over speed bumps or on uneven roads, easily from one source. It is super convenient and guarantees safety while driving. The three arms form a triangular lock that holds the phone firmly and makes no noise during sudden movements or cycling on an uneven road. The soft silicone pads on the phone also protect the phone from scratches. Made of aluminum alloy, which keeps the phone more stable and not easily deformed. If you reserve the charging port on the bottom of the mobile phone holder, you can charge the phone's charging cable even if it is connected to this phone. If you mount this bracket in your vehicle, you don't have to worry about it turning off. Very easy to install and remove. It is not necessary to pull out the entire ventilation opening. Move the vent until it comes out a bit. Then insert the holder between and push back. Fitment: For A3 8V S3 2014-2019 Material: Aluminum alloy Color: Black Package contents: 1 x phone navigation bracket Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.