Specifications: Easy to use, plug and play, replace the traditional sound card. Support ordinary speakers or headphones with microphone holes. Multi-channel technology to achieve channel dynamic sound. Dynamic rotating sound field with Karaoke function. Type: USB Sound Card Color: White Interface Type: USB Channel: 7.1 Speed: 480 Mbps External Power Adapter: No Need LED Indicators: Microphone-Mute States, Activity Suitable for: for Laptop, PC, etc System Requirement: for Windows 98/2000/xp/Win7/Win8 Features: USB Interface, Portable, No Drivers Required, Easy to Use Length:18.5cm/7.29" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB Sound Card