FEATURES: High Fidelity.Anti-interference.Good Signal. USB 2.0 female connect the Flash Disk,can read the mp3 form Flash Disk. 3.5mm male plug in the car AUX port Use for vehicle navigation, vehicular audio. The 3.5mm plug of the line is connected to the audio AUX audio interface of the car, and the other USB is connected to the U disk. The car plays the U disk song Specification: 100 Percent new and high quality Material: PVC jacket Color:white Usage:Use for vehicle navigation, vehicular audio. Function:Realize car playing U disk songs Package include:2pcs White Audio Adapter