No O/S driver required. Supports AMD Eyefinity Multi-Display capability. Connect your VGA device to an HDMI display, TV or projector. (Not bi-directional, only supports converting VGA source to HDMI.) Converts VGA signal + 3.5mm audio signal to HDMI 1.3 video and audio. Requires external USB power source to provide the operating current of 170mA. One Year Warranty. Supports resolutions up to 1080p FHD (1920 x 1080 @ 60Hz).