... A chip iBasso D12 Anaconda High performance Stereo DAC and Headphone Amp headphone amplifier Product specifications:Basso D12 Anaconda ... MCU (Micro Controller Unit) to manager inputs, outputs, and functions.- Flexible input and output compatibility. It has USB, optical, coaxial, ... AMP, or 18hrs for combo)- Measures 55*24*103mm, and weights 160g- Comes with power adapter, leather pouch, optical cable, ...