-Product parameters: -Colour: Black; -Material: ABS; -Applicable vehicle cup holder size: 2.48" -4.57"; -Applicable mobile phone size: 2.05"-3.66". Features: 1. Expandable and stable base, which can be firmly locked on your cup holder. You only need to turn the knob to extend the phone holder to a position suitable for the cup holder area. It is suitable for diameters of 2.48" and 4.57" The vehicle cup holder between is suitable for most cars, trucks and other vehicles. 2. Expandable neck extension, our cup holder car holder has an expandable neck, making it easier to operate and use the mobile phone. You can adjust the height as needed for maximum flexibility. 3. Upgrade durability and safety. This new car phone holder is made of an adjustable heavy base and a firm neck, which can prevent any vibration. The flexible rotating ball can rotate 360 ​​degrees, further enhancing your phone's field of vision. Whether you are talking, navigating, listening to music or charging, it can ensure safe driving. 4. One-touch button, the convenient one-button button can easily expand the stand to fit your phone; the automatic button on the back of the stand can easily adjust the width; there is an automatic button at the bottom of the stand to adjust the length, and the phone is manually clamped and clamped. Fixed in the cup holder, suitable for all types of 2.05"-3.66" wide equipment. 5. There is a sponge layer to protect the place in contact with the phone to prevent your phone from being scratched. packing list: J43 -Support head + water cup support base. 1. Expandable and stable base, which can be firmly locked on your cup holder. You only need to turn the knob to extend the phone holder to a position suitable for the cup holder area. It is suitable for diameters of 2.48" and 4.57" The vehicle cup holder between is suitable for most cars, trucks and other vehicles. 2. Expandable neck extension, our cup holder car holder has an expandable neck, making it easier to operate and use the mobile phone. You can adjust the height as needed for maximum flexibility. 3. Upgrade durability and safety. This new car phone holder is made of an adjustable heavy base and a firm neck, which can prevent any vibration. The flexible rotating ball can rotate 360 ​​degrees, further enhancing your phone's field of vision. Whether you are talking, navigating, listening to music or charging, it can ensure safe driving. 4. One-touch button, the convenient one-button button can easily expand the stand to fit your phone; the automatic button on the back of the stand can easily adjust the width; there is an automatic button at the bottom of the stand to adjust the length, and the phone is manually clamped and clamped. Fixed in the cup holder, suitable for all types of 2.05"-3.66" wide equipment. 5. There is a sponge layer to protect the place in contact with the phone to prevent your phone from being scratched.