Astell&Kern AK380 Ultimate High Fidelity Portable Music Player Digital music player plays MP3, FLAC, WAV, ALAC, Ogg Vorbis, AAC, AIFF, APE, WMA, DFF, DSF Native DSD playback for DSD64 (2.8MHz) and DSD128 (5.6MHz) files 256GB internal flash memory with microSD card slot for 1 card up to 128GB (up to 384GB total memory) Built-in Wi-Fi for streaming and downloading music from a networked computer via DLNA 4" color touchscreen display