XDUOO X3 HIFI MP3 Music Player Lossless Music Player with HD OLED Screen Support APE FLAC ALAC WAV WMA OGG MP3<br>  $11 OFF COUPON CODE: XDUOOX3  Performance Parameters: <br>          Model       XDUOO X3           Operating System       Linux           Battery       3.7V\/1500mAh           Screen       1.3 inch OLED srceen           Storage       Support 2 pcs 128GB TF\/Micro SD cards           Supported Music Format       DSD， APE， FLAC， WAV， AIFF， ALAC， WMA， MP3， ACC， OGG           Support Sample Rate       DSD: 2.8224MHZ    PCM: 16-24BIT\/44.1K-192KHZ           Output Power       250mW(32&amp;Omega; load)           Line Output Level       1.5V rms           Frequency Response       20Hz~20KHz (&amp;plusmn;0.5dB)           Gain       +6dB           THD+N       0.002% (1KHz)           S\/N       112dB           Suitable Headphone Impedance       8&amp;Omega;~150&amp;Omega;           Playback Time       &amp;gt;8H           Charge Time       Fast charge &amp;lt;2H， slow charge &amp;lt;4H           Size       105.5 x 45 x 14 mm           Weight       100g   <br>General Specifications: <br>Language: Chinese， English， Japanese， Korean， French， German， Russian， Polish， Thai， IndonesianPlay Mode: order， repeat one， repeat all， shuffleSongs Playback: Support browsing and playback via folders， all songs， favorites and CUE sheetCUE sheet Supported: Supports splitting songs by CUE sheet and skipping through tracks within CUE sheetGain Setting: 0dB\/+6dBDAC Filter: Fast roll off， slow roll offBrightness: 1~4 levelBacklight Off: 0~30 secondAuto Power Off: 0~20 minuteSleep Timer: 0~120 minuteResume After Power Off: Can resume from last song before power offFile Management: Support deleting file， folder， add file to favorite sheetVolume Control: 100 steps digital potentionmeterData Transfer: Micro USB 2.0Firmware Upgrade: Via Micro SD card (formatted in FAT32)Headphone Detection: Playback pauses on headphone disconnection; the vol will auto set to maximum on lineout connectionOn\/off Transients: Output relay prevent on\/off transients<br>Something difference of X3:(written in 2015.12.11)<br>Check your SN NUM， 01500103751， it yours is behind 03751， it has something difference:1. 'ESC' has been changed to &amp;quot;HOME&amp;quot; and &amp;quot;BACK': &amp;quot;Short press&amp;quot; to back， and &amp;quot;Press 2 second&amp;quot; go to menu;2. &amp;quot;MENU&amp;quot; has been changed to &amp;quot;OPTION''， funtion is as previous;<br>Package Included: <br>1 x XDUOO X3 HIFI MP3 Player1 x USB Cable1 x Screen Protectors1 x User Manual