Just place your phone in the holder. Automatically locks the phone and is made of a stable triangular design. Keep your phone safe, even when driving over speed bumps or uneven roads, easily from one source. It is super convenient and guarantees safety while driving. The three arms form a triple corner, locking the phone firmly and making no noise when it suddenly or drives on an uneven road. The soft silicone pads on the phone arms also protect the phone from scratches. Made of aluminum alloy, the phone holds more stable and is not easily deformed. If you reserve the charging port on the bottom of the mobile phone holder, you can connect the charging cable to the phone even if it is connected to this phone. If you mount this bracket for your vehicle, you don't have to worry about the power being cut off. Very easy to install and remove. It is not necessary to pull out the entire valve. Move the valve until it comes out a little. Then insert the holder between the valve 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 allowed measurement error is +/- 1-3 cm.