1. USB Sound Card: Supports virtual 7.1 channel. Compatible with stereo speakers, stereo headphones, and microphones. Experience pure and perfect 7.1 channel sound quality, professional karaoke, competitive gaming audio, and immersive 3D stereo surround sound with stable performance. Includes Xear 3D sound simulation software to convert your stereo speakers or headphones into virtual 7.1 channels. 2. Easy to Use: This USB sound card is an ideal replacement for a faulty sound card or audio port. It easily adds dual 3.5mm jack headphones, speakers, or microphones to your device. 3. Plug and Play: The system automatically recognizes the USB to 3.5mm port within seconds. No driver downloads are needed; it's USB bus-powered, requiring no external power supply. 4. Dual Channel Voice Synchronization: The external USB sound card can connect to speakers or headphones and a 3.5mm microphone simultaneously. This effectively resolves issues with damaged built-in computer audio ports. 5. Multi-System Compatibility: Works with Windows 98SE/ME/2000/XP/Server2003/Vista, Linux, and OS 10 or higher without requiring drivers. Features Xear 3D (virtual 7.1 channel sound simulation software) for Windows XP/Vista. This virtual 7.1 channel USB sound card is a highly flexible audio interface suitable for desktop or laptop systems. Item Type: Sound Card Product Material: ABS USB 2.0 Transfer Speed: 12 Mbps Interface: USB Type A, Stereo Output, Mono Microphone Input Includes Xear 3D, virtual 7.1 channel sound simulation software for Windows XP/Vista Applicable to: Windows 98SE/ME/2000/XP/Server2003/Vista, Linux, OS 10 or later, no driver required 1 x Sound Card