... (VCD) / MPEG2 SVCD) / AVI/DVD_Audio/DVD_AC3/DVD_DTS/DiVX format;3, using the most advanced Xear 3D technology, full support for ... 2.0, HRTF 3DX function;4, multi-channel technology, highly dynamic virtual 5.1 channel sound;5 ,digital buttons designed for easy ... speakers or headphones with a microphone hole;USB interface, plug and play, instead of traditional sound card;Microphone recording function; ...