Specification : Model: MF-01 Decode chip: AK4490EQ Pre-amp: MUSES02 Post-amp: TPA6120 Audio power supply: ±9V(audio dedicated power, can output 1950mAh current) Decoding parameter: 384kHz/32Bit Support impedance: 10-300Ω(no pressure to push high impedance amplifier) Support language :English and Chinese Size: 53mm x 80mm x 21mm Weight: 133g Screen size: 1.3inch Screen material: OLED Screen resolution: 128x64 Battery: 2000mAh Playing time: 6-8hours Support formats: MP3/FLAC/APE/WAV/DFF/DSD (update will be lasting) Package ACMEE MF01