The Joy Factory MagConnect Carbon Fiber Car/Truck Cup Holder Mount Holder with Universal Tablet Module for Tablets (MNU508) Compatible with any case or device with a flat or smooth surface Convert any tablet or mobile device to be MagConnect-ready for convenient mounting MagConnect mounting connector for quick, secure connection Highly Flexible with two spherical joints for overall 360 rotation Base expands to accommodate cup holders 2.31  3.25