good design SPECIFICATIONS 1,Support USB2.0, no need to open the case, hot-swappable, supports notebook computers2,1 video ... -adjusting screen size, maximum resolution up to 720* 576,24-bit True Color5,The latest technology USB AUDIO, stereo input and output6 ... image9,Support MPEG1 / 2 and other real-time compression format to facilitate the production of VCD / SVCD / DVD10,Compatible WINDOW2000/XP ...