Item Type: Sound Card Material: ABS Interface: USB Connection: Speaker or Headphones, Enjoy 5.1 Channel Audio Tracks Compatibility: USB 2.0 Pure Digital Audio Output, 5.1 Channel Processing Capability Flexible: With 3.5mm headphone and microphone inputs, combined with a USB hub or extension cable, it offers flexible installation, creating microphone input and audio output from any USB port. Stereo: External 5.1 USB stereo sound card, supports 3D sound, virtual 5.1 sound effects, works independently without an existing sound card. USB Powered: No external power supply needed, fully powered by USB. Features a USB 2.0 full-speed interface, plug and play, and high efficiency, replacing traditional sound cards. Multi-Format Support: Fully supports WAV, MP3, WMA, MPEG1 (VCD), MPEG2 (SVCD), AVI, DVD audio, DVD AC3, DVD DTS format files, meeting your diverse needs. Compatible: Compatible with digital devices with USB ports, supporting Windows, Windows 98, 2000, Me, XP operating systems, etc.