Product features: 1.USB2.0 full speed interface, plug and play, replacing the traditional sound card; 2.SupportWAV/MP3/WMA/MPEG1(VCD)/MPEG2 SVCD)/AVI/DVD_Audio/DVD_AC3/DVD_DTS/DiVX format files; 3. Adopt advanced Xear 3D technology, support MS DirectX, EAX1.0/2.0,HRTF 3DX functions; 4. Multi-channel technology, strong virtual 5.1 channel dynamic sound effect; 5. Digital button design, easy to control the volume; Basic functions: Sound effects: Intelligent software 5.1 channels, various sound fields, create a variety of environment and distance feeling, processing karaoke input effects. Interface: USB interface, no external power supply, can be used for USB2.0 version, backward compatible with USB1.1 version, plug and play, can be used for any deviceDesktop PC and laptop with USB port Suitable for DVD, digital products, music, games and online use. Product parameters: Product name: 5.1 Channel transparent external sound card Product interface: USB2.0 Support channel: 5.1 channels Material: plastic colour: Brown There are color differences due to different batches, which will not affect the use Package Contents: 2 x USB independent sound card