Portta VGA PC/Laptop + Stereo to HDMI Audio Video Converter up Scaler Upscaler Up to 720P/1080P v1.3 with Audio Jack Support HDTV for PC Laptop Display Computer Mac Projector Up-scales VGA to HDMI 720p or 1080p Supports VGA Input: 640x480 at 60/75Hz, 800x600 at 60/75Hz, 1024x768 at 60Hz, 1280x720 at 60Hz, 1280x800 at 60Hz, 1280x960 at 60Hz, 1360x768 at 60Hz, 1440x900 at 60Hz, 1400x1050 at 60Hz, 1680x1050 at 60Hz, 1920x1080 at 60Hz Supports HDMI Output: 720P/60Hz, 1080P/60Hz; Auto-store setting of output resolution