... can capture High-quality video and audio file direct by USB 2.0 interface without sound card. However, the installation ... interface and not need other power Capture Video & Audio though USB 2.0 interface Support Brightness, Contrast, Hue, and Saturation control ... VR, and DVD-Video.Applying to internet conference/net meeting System Requirements:USB: Compliant USB 2.0 free port OS: Windows 2000, XP,Vista ...