Starting from the version 4.3.1, HDD Audio Remote can only be used on devices with Android 7.0 or a later version installed. On any devices with Android 6 or an earlier version, you cannot use HDD Audio Remote Version 4.3.1 or later versions.

HDD Audio Remote is a mobile application that allows you to operate compatible HDD AUDIO　PLAYER models using your smartphone or tablet.
The application allows you to operate HDD AUDIO PLAYER easily using specialized functions that are only possible in a mobile application, such as the “Full Browser” function (tablets only).