cellet heavy duty cup holder mount compatible for apple iphone xs, xr, x, 8/8 plus, samsung galaxy note 9, galaxy s9/s9 plus, s8/s8 plus and other 3.5 inch smartphonesSecurely mount your smartphone as you drive with the Cellet smartphone cup holder mount. This cup holder mount is equipped with a heavy duty adjustable base designed to fit most cup holders. Simply place the base into the cup holder, turn dial to extend wings to fit into cup holder if needed, then place your smartphone onto the mount. The holder is equipped with non-slip holder grips/back to protect your device from any scratches and secure it in place. This cup holder mount provides a 360 degree rotation, which allows you to view your smartphone in landscape or portrait view.