It offers wide compatibility w/ its 3 different ports that allow you to charge devices like smartphones, tablets, e-book readers, headsets and more w/ ease. The 3-in-1 USB cable further facilitates the charging of I Device, USB-C or micro-USB equipped devices from a single USB type-A port. It offers wide compatibility w/ its 3 different ports that allow you to charge devices like smartphones, tablets, e-book readers, headsets and more w/ ease. The 3-in-1 USB cable further facilitates the charging of iDevice, USB-C or micro-USB equipped devices from a single USB type-A port.