G-Cord&reg; Flexible Extra Long Arm Cup Holder Mount for iPhone and other Smartphones Adjustable one-button release side arms fits iPhone, smartphones and mobile phones between 2" to 4" Flexible neck and 360 rotatable holder for the best viewing angle Soft holder grips/backing will not scratch your device An adjustable base for a perfect fit in cars, trucks and other vehicles with standard sized cup holders Fits large cup holder sizes up to 4" in diameter