Fangrui Product Details Master Ic: Ac6926 Bluetooth Ic: Ac6926 Bluetooth Version Is Version 5.0 Music Format: Mp3 / Wma / Wav / Ape Lossless Format Radio Fm Frequency: 87.5-107.5 Mhz Support Function Introduction: Support Mp3 / Usb / Tf / Line In / Fm / Bluetooth / Remote Remote Connection / Dc 5v Or 12v (optional) 1 Led: Digital Screen Display, Display Red, Color Screen Display; 2 Usb: Connect U Disk (maximum Support 32gb,not Included) 3 Vol-: Short Press Is To Select The Previous Song; Long Press Is To Decrease The Volume 4 Play/pause: Short Press Is The Switch Between Pause And Play; Short Press In The Fm Fm State Is Automatic 5 Vol+: Short Press Is To Select The Next Song; Long Press Is To Increase The Volume 6 Mode: Usb / Tf / Fm / Aux / Bluetooth Tone Switching 7 Tf: Connect Tf Memory Card (maximum Support 32gb,not Included) 8 Infrared Receiving Module Colour: Black Material: Plastic + Metal Package Contents: 1* Decoder Board 1* Remote Control Only The Above Package Content, Other Products Are Not Included. Note: Light Sh