Specification:Brand: Shanling - Model: M0 Pro - Dimensions: 43.8x45x13.8mm - Screen: 1.54-inch 240*240 Touch Screen - Weight: 36.8 g - Audio: Two ES9219c DAC/AMPs - Memory: Micro - SD Card slot, up to 2TBBattery Life: Up to 14.5h (Single-Ended) //10h (Balanced)Battery Capacity ...Specification:Brand: Shanling - Model: M0 Pro - Dimensions: 43.8x45x13.8mm - Screen: 1.54-inch 240*240 Touch Screen - Weight: 36.8 g - Audio: Two ES9219c DAC/AMPs - Memory: Micro - SD Card slot, up to 2TBBattery Life: Up to 14.5h (Single-Ended) //10h (Balanced)Battery Capacity:650mAhOutput: Standard 3.5mm, with option forbalanced output with 4.4mm adapterbluetooth:Version 5.0bluetooth Codec Support - As Transmitter: LDAC/apt - Xs/AAC/SBCAs Receiver:LDAC/ AAC / SBCHi-res Support: PCM 32bit/ 384k - Hz DSD128Audio formats: DSD(".iso",".dsf",".dff") / DXD / APE/ FLAC / ALAC / WAV / AIFF / AIF / DTS / MP3 / WMA/ AAC / OGG / MP2/ M4A/ AC3 / CUE / M3USingle-Ended Output:Output Power: 1.7V @ 32 0hm (90m - W)Frequency Response:20Hz-40KHz (-0.5 d - B)THD+N: 0.0006%(A-Weighted @720m - V)Channel separation: 72 d - B @32 0hm - Dynamic Range:119 d - B @ 32 ohm (A-Weighted)Signal-To-Noise: 118 d - B @32 ohm (A-Weighted)Output Impedance:0.40hm - Balanced Output:Output Power: 2.75V @ 32 0hm (236m - W)Frequency Response: 20Hz - 40 KHz(-0.5 d - B)THD+N: 0.0004%(