Item Name: Dual USB LED Display Car Bluetooth Transmitter Modulator Compatible 5.0 FM. Display Color: ColorfulUSB Output: 5V / 3.1A (Smart IC), 5V / 1AName:LED Car Bluetooth Transmitter Modulator MP3 PlayerPort: 2*USB 2.0 1*TF card input, up to 32GB max (no include TF card)FM Frequency Range: 87.5-108.0MHzMaterial: ABSBT Version: Bt 5.0 Files Supported: MP3/WMA/APE/FLAV/WAVFuction:Supports U Disk TF card playerSupports MP3 ,format musicBluetooth answer,hang up,reject,redial calls and other functionsBluetooth stereo music playEcho cancellation and nosieSuppression (CVC) technology a callAutomactic power-off memory fuction Package List:1xCar player1xUser manual *Please make