High resolution DAP digital player with integrated headphone amplifier. 4 ”touch display with 480X800 resolution. Supported audio formats: WAV, FLAC, WMA, MP3, OGG, APE (Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF. Sampling frequency: PCM: 8kHz-384kHz (8/16/24/32 bits per sample), DSD64 (1bit 2.8 MHz), Stereo DSD128 (1bit 5.6 MHz), Stereo DSD256 (1bit 11.2 MHz) . Bleached and balanced headphone output up to 4Vrms / 7Vrms. AKM AK4490 32bit / 384kHz DAC converter. Inputs: USB type C (for PC & MAC charging and data transfer). Outputs: headphone (3.5mm) / balanced output (2.5mm, 4 poles), Micro-USB (PCM up to 32 / 384kHz, DSD 2.8 / 5.6MHz). Wi-Fi: 802.11 b / g / n (2.4GHz). Bluetooth: V4.0 (A2DP, AVRCP, aptX HD). 64GB internal memory expandable with 128GB MicroSD and 512GB SD. Internal battery: 6200mAh 3.7V lithium polymer. Supported Operating Systems: XP, 7,8,10 (32/64 bit), OSX 10.7 or higher. Aluminum chassis. Dimensions: 71.23x115.8x25.6 mm. Weight: 278gr.