USB car navigation & HDMI input/output port for Toyota vehicles, supporting audio and HDMI output. I purchased and opened it, but ultimately I couldn't figure out how to install it, so I'm selling it. For details such as compatible vehicles, please refer to the product pages on sites like Amazon, as it is also sold there. - Brand: YFFSDC - Type: USB Car Navigation & HDMI Input/Output Adapter - Size: 33mm x 22mm x 22mm - Functions: Audio output, HDMI output - LED Indicator: Blue LED - Compatibility: For Toyota vehicles Thank you for looking.