Macally MCUPMP (r) Cellular Phone Adjustable Cup-holder Mount

? Adjustable base for a perfect fit in most car cup holders;? Flexible neck holder & swivel holder to suit desired viewing angle;? 3 selectable holder positions to fit iPhone(R), iPod(R) & most cellular phones perfectly;? Holder swivels vertically or horizontally;? Soft rubber holder grips & soft antiscratch padding that will not scratch device;? 1-button phone release mechanism;? 360deg rotatable head unit;? 2 adjustable swivel supports work with many situations--both can open, single left side open only or single right side open only to accommodate various phone charging port & headphone access locations;? Arm grip width: 1.77-4.1;? Min base dia: 2.7 ;? Max base dia: 3.7;? Max height: 9.38;