Hi-Fi Digital Audio Player / 24bit, 192kHz High Definition Sound / Highest Performance PCM5242 DAC / SoundPlus High Performance AmplifierHigh Quality Balanced Out / High Precision TCXO / High Quality Bluetooth aptX / Premium Sound DAC Filter / JetEffect 7 and BBE+, 66 PresetsSNR 123dB, THD+N 0.001% / DXD, DSD(DFF, DSF, ISO), FLAC, WAV, AIFF, ALAC, APE, MP3, WMA, OGG, WV, TTA, DCFMusic Playback 17 hours / ARM Cortex Dual-Core / AMOLED 3.7 inch Display / Sound Source LED IndicatorHigh Speed 128GB Internal Memory / microSD Card Slot / Optical Output / Premium High Strength Metal Body / Solid and Void Design