Fangrui Product Details 1. Car 12v Color Screen Audio Mp3 Player Decoder Board Fm Radio Tf Card Usb, With Bluetooth Function & Remote Control 2. Main Function: 3. Jerry Solution, Dual Decoding Supports Mp3 Wma Wav Format Music 4. With Bluetooth 5. With Digital Tube Display 6. Supports Mmc Tf Mma Cards, Usb Interface (u Disk) 7. Support Radio Fm, Cable Receiving Frequency (87.5mhz-108.0mhz) 8. Power-off Memory Function 24c02 9. Support 5-10 Meters Infrared Remote Control Operation 10. Support Line In (aux) 11. Buttons: Four-button Multi-directional Control, Play Prev Next Repeat Eq Mode 12. Key Operation Details: 13. Play Button (play Pause): Play Short Press In Mp3 State Is Play Pause, Short Press In Fm State Is Play Pause, Long Press Is Automatic Closing And Saving Station 14. Prev Button (previous Song Turn Down The Volume): In The Mp3 State, A Short Press Of Prev Will Be The Previous Song, A Long Press Will Decrease The Volume, And A Short Press In The Fm State Will Increase The Station Number By One. 15. Next Button (next Song Speaker Up): In The Mp3 State, A Short Press Of Next Is The Next Song, A Long Press Is To Increase The Volume, And A Short Press In The Fm State Is To Down A Station Number. 16. Repeat (repeating): Single Click In Mp3 Status For Repeat Function, Single Click To Cancel Repeat Function 17. Eq: Sound Field Mode, Test 6 Kinds Of Sound Quality: Classical, Jazz, Rock, Bass, Pop, Normal 18. Mode Button (analog): Switch Between Usb Sd Fm Aux Bluetooth Sequentially