FiiO M3 96KHz / 24bit DAC HiFi Digital Portable Lossless Music Player • Codec: SoC: ATJ2129, DAC: CS42L51
• Screen: 2 ″ TFT, 240 × 320
• Frequency range: 20 Hz ~ 20 kHz
• Recommended load impedance: 16Ω ~ 100Ω
• Output impedance:<0.4Ω @ 32Ω
• Output power:>50 mW @ 16Ω,>30 mW @ 32Ω
• Signal to noise ratio: ≥95 dB
• Channel separation:>70 dB @ 1 kHz
• Total harmonic distortion + noise:<0.008% @ 1 kHz
• Maximum output voltage:>2.8 Vp-p
• Battery: 550 mA / h
• Charging time:<2.5 h
• Operating time on a single charge:>24 hours (MP3 file at volume 22, without equalizer in the supplied headphones)
• Support for lossless formats: APE (fast, normal, high): 48 kHz / 16 bit; FLAC: 48 kHz / 24 bit; WAV: 96 kHz / 24 bit
• Support for lossy formats: MP3, WMA, OGG, M4A (except Raw AAC and ALAC, packed in M4A)
• Dimensions: 74 mm × 39.7 mm × 9.1 mm
• Volume control: digital, 60 steps
• Equalizer: 5-band, ± 6 dB
• Built-in memory: 8 GB
• Memory Cards: MicroSD up to 64 GB
• Input: MicroUSB
• Output: 3.5mm TRRS with headset support
• Weight: 40g
• Complete headphones: in-ear, 27Ω
http://www.fiio.net/en/products/47/parameters