Customers satisfaction is very important to us! ^_^If you have any question、 please feel free to contact us at any time、 we will do my best to solve your problem :)Features & Specifications:Light weight and convenientSupports 720p and 1080p full-size high-definition resolutionHigh qualityBrand New and retail packageNo need external powe and driverless、 just plug and playBlack ColorStandard Length: 25.5 cmInput: HDMI maleOutput: VGA + AudioDear: Only one way transfer HDMI -> VGA、 HDMI port connect the signal input、 VGA connect the display port. the conversion is not reversible.