Gravity principle is used for ready to put down, ready to use and ready to take away. It locks automatically by using of gravity when putting down the cell phone and it unlocks automatically by losing gravity when taking away the cell phone.Triangular fixation design can stabilize mobilesEncircle paw design with automatic alignment memory, accurate lock the phone firmlyStrong suction cup, can be washed and used repeatedly360 degree rotation for multi-angle viewingReserved charge port, convenient to chargePick and place by one hand, use more easily when drivingWidely applicable to mobile phones with width between 63-88mm, and thickness less than 10mmCompatible with:iPhone SeriesSamsung Galaxy S21Other smartphones within the width rangePackage included:1 x BASEUS Suction Cup Gravity Car Mount HolderAccessory only, other items not included