With two USB/ inputs for seamless sound connectivity and upgraded in car entertainment. Features 480Mbps USB port for fast file loading and 32 bit input supporting most mobile devices for clear sound . Crafted from with clear port markings for easy identification and tool less installation suitable for DIYer car upgrades. Special alloy connectors provide conductivity and anti interference compared to standard /metal interfaces. Perfect for commuters, rideshare driver and auto modifiers seeking reliably sound input option to personalize their vehicle's sound systems.