360°Rotation Adjustable Ball - Featuring a ball-shape pivot, the joint part between the phone mount clamp and the gooseneck can be rotated in 360 degree. you can adjust the phone mount to angle according to your personal demands, and glace at your cell phone, GPS or other devices with a safe and comfortable pose.
Expandable Base - universal car phone mount will securely lock in your cup holder.Twist the base clockwise to expand the base and counter-clockwise to shrink the base. The stretchable range of the base is from 2.5" to 3.94" which make this phone holder suitable for most automobiles with cup holder.
One-Touch Quick Release Button - Press the button on the back of the device to slide open, With a one-press release button on the back , the clamp will automatically open when you press the button and you can reduce it width to clamp the phone .