It is a USB add-on panel for navigation audio. Extend the USB port on the back of the navigation panel to connect and charge at the same time. Please confirm the shape and size of the panel in the product picture before placing an order. Please check whether there is a USB port on the car audio/navigation before placing an order. The shape of the panel varies depending on the car model listed in the application information. Please check the shape of the car panel. NOTE: Please measure the size of your vehicle mounting holes before purchasing. Product size fits some Honda models Can be connected to navigation, smartphone, video (mp4) and music playback (mp3) in USB memory via, and extends the functions of navigation charging and smartphone music playback 2 audio USB 3.0 ports, cable length 3.3FT/1 meter Audio port for connecting devices such as iPhone, iPad and Android cell phones. (The audio device used depends on the connection conditions) Easy to set up directly on the car's reserved switch position Model TMYS98 Brand Name Timloon Cable Type USB Unit Count 1.0 Count Item Weight 100 Grams Manufacturer Shenzhen Timloon Technology Co .,Ltd Connector Type USB Type A Number of Pins 18 Maximum Voltage 5 Volts Number of Items 1 Connector Gender Male-to-Female Compatible Devices Charging Adapter, GPS Navigation System Data Transfer Rate 5 Gigabits Per Second Included Components body Indoor Outdoor Usage Outdoor Compatible Phone Models Likely compatible with smartphones, specific models not listed Connectivity Technology USB Recommended Uses For Product Car Audio/Navigation Extension, Charging Other Special Features of the Product High Speed