Eastvita&reg; USB 2.0 Audio/audio Capture/surveillance Dongle Popular USB 2.0 interface and not need other power; Can capture audio without the sound card Support brightness, contrast, hue, and saturation control; Support for all formats Include professional and easy to learn & used video editor software: Ulead Video Studio System Requirements: Compliant USB2.0 free port, Windows2000/XP operation system