Dimensions:75mm x 42mm x 14mm<br> Weight: About 50g<br> Screen: 320 x 240 2.0inch HD TFT<br> DSD: Software Decoding 64,128<br> USB DAC/OTG DAC: sUPPORT<br> Support APT-X lossless transmission<br> Support Bluetooth 4.0 Versions<br> CPU: X1000<br> DAC Chip: AK4452VN<br> Headphone Amp: MAX97220A<br> Gain: Hight/Low gain setting available<br> Sample Rate: 44.1KHz-192kHz/24 Bit<br> Supported Formats: FLAC, APE, WMA, WAV, ALAC, AAC, OGG, MP3, AIFF, DSF, DIFF<br> Headphone Output: Standard 3.5mm Port<br> Output Power: 35mW@32 ohm<br> Output impedance: 0.1 ohm<br> Frequency Response: 20Hz to 20KHz(-0.5dB)<br> THD: 0.005%<br> SNR: >109dB<br> Dynamic Range: >105dB<br> Channel Separation: 106dB<br> Internal Memory: None <br> Storage Expansion: Support 265GB<br> Power Port: Micro USB2.0<br> Battery: 1000mAh 3.7V<br> Play Time: about 10 to 12 hours<br> Support Systerm: MAC OSX10.7, Windows XP, Windows 7/8/10.<br>