MP3 Decode: Compliant with MPEG-1/2 Audio Layer-3;
WMA Decode: Compliant with WINDOWS MEDIA AUDIO;
AAC Decode: AAC-LC .aac files;
Preout Impedance(?): ?600?;
Speaker Impedance(?): 4-8?;
USB: 1.1 / 2.0 Full speed;
File System: FAT12 / 16 / 32;
MP3 decode: Compliant with MPEG-1/2 Audio Layer-3;
WMA decode: Compliant with Windows Media Audio;
AMP Maximum Power: 50wx4;
Bluetooth: V2.1+EDR / Bluetooth 3.0.
