A: Ak4493 decoding, dual operational amplifier design, support PCM and DSD audio hard decoding ， Two customized hifi operational amplifier ICs with high power output, clear, bright and sweet sound

1，PCM ：16/24/32bit，44.1/48/88.2/96/176.4/192/352.8/384/705.6/768KHz 

2，DSD ：DSD64/128/256/DSD512 

3. Support modes of DSD Audio: DOP (dsd64 / 128 / 256), native (dsd64 / 128 / 256 / 512) 

B: Compatible with windows and MAC  OS、Android 

1. Android devices need to support OTG and UAC

2. The device needs to be connected with apple camera components 

C: 3.5mm unbalanced single outlet design, smaller volume and more convenient to carry