Astell & Kern AK120II Mastering Quality Sound Dual DAC HiFI Audio Player with Sennheiser Momentum Headphones, Bluetooth Remote Control, 64GB MicroSD Card, and eMusic Optical Audio Connection Kit Astell & Kern AK120 II Dual DAC Mastering Quality Music Player, Sandisk 64 GB Micro SD card, Sennheiser Momentum Over-the-Ear Headphones, Bluetooth Wireless Remote Control(IAA01), and eMusic brand Toslink-to-MiniToslink Optical Audio Connection Kit. Body Material: Aluminum, Display: 3.31inch WVGA (480 x 800) AMOLED Touchscreen Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF Sample rate: FLAC, WAV, ALAC, AIFF: 8kHz - 192kHz (8/16/24bits per Sample)/ DSD: DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo Output Level: Unbalance 2.1Vrms / Balance 2.3Vrms (Condition No Load)