Dimensions (WxHxD):75mm*50mmBody Material:plastic Bluetooth:Yes Supports EBook Reading:No Operation Mode:Touch Tone Storage Type:Flash Memory Supports FM:Yes Battery Specification:External Power Signal Noise Ratio:89dB Display Size:None Package:No Function:FM Radio,bluetooth Model Number:Bluetooth 5V 12V MP3 WMA WAV Decoder Board Style:Car MP3 Battery Life:> 20 hours Screen:Yes Balanced Out:No External Memory:Yes Audio Format Support:MP3, WAV,FLAC,ape,WMA Origin:Mainland China Features 1:MP3 WMA WAV Decoder Board Features 2:with Remote control Features 3:Mp3 Music Player Speaker Features 4:Support FM TF USB Features 5:mp3 bluetooth for car Features 6:LED Lossless Audio MP3 Player Features 7:File system supporting FAT16 and FAT32 Features 8:Color Screen MP3 Player with Remote Control Features 9:audio microphone usb tf bluetooth Features 10:ape decoder speaker Features 11:audio microphone bluetooth Features 12:For Car Speaker Phone Features 13:audio microphone usb speaker Features 14:dc 5v 12v bluetooth speaker Features 15:ape decoder board speaker Features 16:usb fm mp3 bluetooth player board Features 17:audio microphone usb tf speaker Features 18:MP3 Bluetooth Music Player Features 19:Wireless Bluetooth 5.0 Features 20:For Car accessories DC 5V 12V Bluetooth 5.0 MP3 WMA WAV APE Decoder Board Hands-free Car Audio Microphone USB TF FM Radio Mp3 Music Player Speaker Bluetooth version is 5.0 Music format: MP3/WMA/WAV/FLAC/APE lossless format Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control connection / DC 5V or 12V (optional) About structure: Panel size: 75*50 MM, screw holes around the panel, the depth of the board is 18MM Infrared receiver module TF card slot: connect TF memory card (maximum support 32GB, not included); LED: digital color screen display, showing red; AUX interface: audio input interface MIC: support microphone function USB interface: connect U disk (maximum support 32GB, not included); PREV/VOL-: short press is to select the previous song; long press is to decrease the volume PLAY/PAUSE: short press is to switch between pause and play; long press is to radio FM automatic station; NEXT/VOL+: short press is to select the next song; long press is to increase the volume; MODE: Switch between USB/TF/FM/AUX/BLUETOOTH;