Features the custom lightweight HiBy OS, passing audio bit-perfectly to the DAC and allowing quick touchscreen operation. Features a ESS ES902Q2M DAC for native decoding of Hi-Res Audio formats, up to 384kHz PCM and DSD128. Also R3 support a wide variety of music formats. Comes with professional features such as .cue indexed playback, gapless playback, auto-play through folders and a ten-band EQ.