The MDP2HDMIUSBA Mini DisplayPort with USB Audio to HDMI Adapter offers a cost-effective HDMI with audio to Mini DisplayPort link, letting you connect an HDMI-capable HDTV to a device with a Mini DisplayPort output, while saving the expense of upgrading the TV for compatibility.Simply plug in the USB and Mini DisplayPort connectors to a PC or Mac and the HDMI connector to an HDMI television/monitor. 2-channel analog audio will pass through to the HDMI connection, delivering sound to the display side, with the convenience of one HDMI cable.MDP2HDMIUSBA is a passive adapter that requires a DP++ port (DisplayPort++), meaning that DVI and HDMI signals can also be passed through the port.Compatible with Intel Thunderbolt, when connected directly to a supporting DisplayPort over Thunderbolt I/O port.Backed by a StarTech.com 2-year warranty and free lifetime technical support.