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Main feature of X3
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Color：
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Black
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Weight：
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122g
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Size：
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55 X 109 X 16 mm
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Screen：
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2.4 inch TFT，240X320
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Power supply：
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Micro USB 。
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Firmware upgraded：
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Through TF card。
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Build in Memory：
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8GB 。
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Extra Memory：
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TF card（Micro SD card），support up to 64g ( must be formatted as FAT32)。
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Data transfer：
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USB 2.0 High Speed, Write/Read 4.5 MB/S。
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Audio Output：
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3.5mm headphone out，3.5mm Line Out, 3.5mm Coaxial out。
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Sample rate：
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32K/16BIT~192K/24BIT。
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Audio Format：
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WAV, APE,FLAC,MP3,WMA,OGG,ALAC(M4A),ACC,AMR。
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Music play Back：
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Play All, Folder Play, Album Play, Artist Play, Genre Play, My Favorites.
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Memory Play：
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Last song track or Last position of sound track.
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Sound Track manage:
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Deleted, Custom “ Favorites Play List.
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Sleep Mode：
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Auto Power Off from 15 to 60 mins.
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Screen Auto Off：
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Custom.
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Display Brightness：
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Custom.
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CUE Support：
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Auto Separate Sound Track, Support Next/Previous, Fast forward/Backward；
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Play Display：
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Album Cover, Lyric，ID3.
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Gapless Playe：
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Supported
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Hardware Bass：
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+/-10dB, Frequency Center 100Hz
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Hardware Treble：
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+/-10dB, Frequency Center 10Khz
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Volume Setup：
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Custom start Up Volume
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Listening Protect：
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Custom Maximum Volume.
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Balance：
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L10~R10
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Output Protect：
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Mini Relay protect circuit design, DC protect, Over Current Protect
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Headphone plug off：
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Auto Pause
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Battery：
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3000mAh 3.7V Lithium Polymer Battery
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Hardware：
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Soc: Ingenic Z4760， DAC：WM8740，Amp：AD8397
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Charge Time:
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3 Hours by 1.5A USB Power, 7 Hours by USB Port in PC
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Battery Life:
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10 hours in Engineer sample and may reach 12-15 hours when the firmware is optimized
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Line Out Specifications ( Initial
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Output Level：
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>1.5Vrms
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THD：
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<0.001%
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Frequency Response：
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20-20KHz, Less than 0.3dB
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SNR：
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>100dB
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Crosstalk：
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>90dB
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Headphone Out Specifications ( Initial )
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Output Power：
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>300mW@16 ohms； >200mW@32 ohms
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Frequency Response：
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20-20KHz, Less than 0.3dB
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THD：
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<0.001%
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SNR：
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>100dB
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Crosstalk：
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>72dB@32 ohms
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Output Impedance：
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