Cellet Universal Windshield Car Phone Holder for Smartphones (Up to 3.5 Inches Wide) - White/Purple Easy expandable back button helps securely accommodate the size of your smartphone Heavy duty arms with 360 rotation capability allow flexibility Extra-large suction cup with lock button conveniently attaches to dashboard, windshield or any other smooth surface and easily removable Rubberized holder keeps your device in place and can hold devices up to 3.5 inches wide Effortless maintenance of suction cup by wiping with a damp cloth