Cup Phone Holder - Fits most standard car cup holder, no need extra tools. Don't need to affix anything to your dash or window, just simply put it in your car cup holder and fix ONE QUICK RELEASE BUTTON -Press button on the back car holder to slide open and close to take out mobile phone. One locking lever for installing and removing the car mount. Never Shake & Stable Version - This new car cup phone holder is made with an adjustable heavy base and strong neck, which stops any shaking.