<br/>This adapter is used to mirror laptop content to the HDMI compatible HDTV or projector.<br/> <br/>Mini Display cord input, connect Mac Book, Mac Book Pro, or Mac Book Air.<br/> <br/>HDMI output connect the HDMI compatible devices by HDMI cable.<br/> <br/><b>Specification:</b><br/> <br/>Input Signal:Mini Display Port 1.1a and 1.2<br/> <br/>Output Video:up to HDMI1.4a<br/> <br/>Input: Mini Display Port Male 20pin<br/> <br/>Output: HDMI Female Type A 19pin <br/> <br/><b>Mini DP MALE to HDMI Female, 6 Inch Adapter</b><br/> <br/>Vertical Frequency Range:50/60Hz<br/> <br/>Video Amplifier Bandwidth:2.25Gbps/225MHz<br/> <br/>HDMI:480i/480p,576p,720p,1080i/1080p@60hz, 1920x1200@60Hz,2560x1440,2560x1600,<b>up to 3840*2160@30Hz</b><br/> <br/>External Power Supply:No external power needed<br/> <br/>Power consumption (Max):500mW<br/> <br/><br/>Chipset:<b>PS8421E</b><br/> <br/><b>Compatible modes:</b><br/> <br/>Mac Book Air, Mac Book Pro, iMac, and Mac mini with thunderbolt ports since 2011 are all supported.<br/> <br/>Mac Book Air, Mac Book Pro, iMac, and Mac mini or PC with mini display port are also supported.<br/> <br/><b>How to use:</b><br/> <br/> The product is easy to use, just plug in and play. If no audio, please go to system preference to select the HDMI as output or contact us</br> <br/>You should assure that if your Mac has one of the following two kinds of port : <br/> <br/><b>mini Display port</b><br/> <br/><b>Thunderbolt</b><br/><br/><b>What's in the package</b><br/>2 PCS Mini DisplayPort to HDMI Adapter