USB TF Card Support Charger Wireless Bluetooth Car Kit LCD Hands-Free FM Transmitter MP3 Music Player Feature: 100% brand new and high quality. FM Transmitter Support TF Card Car MP3 Bluetooth Player Material type: Plastic & Metal Item type: Bluetooth devices Size:9.8x9x3CM FM FM transmitter independent Bluetooth start / shutdown button support MP3 / WMA music format support the use of u disk to play music car MP3 USB output voltage Bluetooth FM transmitter: transfer the music inside the mobile phone, U disk, TF card, MP3 to the car audio player Car charging car Bluetooth hands-free: the phone can be hands-free calls through Bluetooth one button.the car USB: can read the u disk through the USB interface, or the card slot reads the TF card liquid crystal display frequency, the choice is more convenient direct button, play / pause, previous / next song Notice: Please allow 1-2cm error due to manual measurement. Pls make sure you do not mind before you bid. The colors may have different as the difference display,pls understand.