Enjoy your 1080P@60HZ Resolution, Please Note: 1.Supports resolution up to 1080P@60Hz,but we recommend you to make sure your monitor/tv could supply corresponding output. 2. If the resolution of your laptop is higher than the external monitor. For windows: Windows Menu–> Setting–> Display–> Advanced Display Settings, set your laptop’s resolution same as or lower the resolution of external monitor. For MacOS: Left-upper Apple icon–>System Preferences–>Displays–>Mirror displays. Then your VGA monitor would mirror your Mac. However here you have two choices. One is “Optimize For” your built-in Retina Display, the other is “Optimize For” your HDMI monitor. You can choose which one you like. Specifications 1.Input ports: VGA, 3.5mm audio, USB power port 2.Output ports: HDMI 3.Dimensions: 66 x 55 x 20mm 4.Weight: 40g 5.Supported input resolutions (at 60Hz): 640×480, 800×600, 1024×768, 1280×720, 1600×1200, 1920×1080 pixels 6.Output resolution (at 60Hz): 720p, 1080p Package contents: 1 x VGA to HDMI converter 1 x USB power cable 1 x User manual NOTE: Audio cable and other VGA or HDMI cables are not provided in the package.Supported audio format: 2 channel analog audio, does not support digital audio May experience less than a one second lag. Will not convert audio only.