... Panel 4.android2.2 and Linux Dual OS Portable 3D Digital Multimedia Player Key Feature : High-definition high-fidelity video & audio ... External subtitle: SRT,SMI,SUB,SSA,IDX+SUB7.Audio file:MP3,FLAC,WAV(PCM/DTS)8.Image formats: JPEG, BMP, ... Audio output port: Dual-channel simulation high-fidelitystereo output port; Digital optical output port; Support HDMI next-generation audiooutput; Specialfunctions: ...