The FiiO X5 III is an Android-based portable player for lossless music reproduction. It supports DSD, with an audio signal sampling rate which is 64 times that of a CD. The design is also oriented to the preferences of demanding music lovers. Volume is comfortably controlled with a rotary knob situated along the side, while other raised keys are used to control music playback. The user can feel these keys and operate the player without having to look.