Spec:

Power Supply: Built-in 3.7V/800mAH battery
Charging Specification: 5V/1A
Card Support: support up to 128G TF/Micro SD card
Output Power: 250mW (32Ω load)
Support Format:
DSD: DSD64-DSD128 (DFF, DSF)
APE: 16-24bit/44.1-96khz
FLAC: 16-24bit/44.1-192khz
WAV: 16- 24bit/44.1-192khz
AIFF: 16-24bit/44.1-192khz
WMA，MP3，AAC, OGG
Frequency Response: 20Hz~ 20KHz(土0.5dB)
Gain: +6dB
THD+N: 0.003% (1KHz)
S/N: 108dB
Adaptation headphone impedance: 16Ω~300Ω
Battery Life:> 10H
Charging time: <2H
Size: 6.3*4.0*1.5cm
Weight: 50g