Android player mp4 player portable mp3 player series pioneer xdp internal memory 16 gb data transfers wlan bluetooth storage media flash memory max memory expansion 512 gb memory expansion microsd audio functions audio recording volume limiting repeat function shuffle voice recording equalizer audio formats dsd dsf flac alac wav aiff ogg mp3 aac mqa output mw 300 mw picture formats jpeg jpg gif png bmp display size 24 inch display diago