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: 640x480at60/75Hz, 800x600at60/75Hz, 1024x768at60Hz, 1280x720at60Hz, 1280x800at60Hz, 1280x960at60Hz, 1360x768at60Hz, 1440x900at60Hz, 1400x1050at60Hz, 1680x1050at60Hz, 1920x1080at60Hz. ( Recommended input resolution: 1024x768at60Hz ) Supports HDMI Output: 720P/60Hz, 1080P/60Hz; Auto-store setting of output resolution