Bluetooth Version:Bluetooth 5.0,Music Audio format:MP3 / WMA / WAV / FLAC / APESupport:MP3/USB/TF/LINE IN/FM/BLUETOOTH,Accept:U Disk , TF1.TF:Connect TF memory card (maximum support 32GB),2.USB:Connect U disk (maximum support 32GB),3. LED indicator,4.PREV/VOL-:Short press is to select the previous song; long press is to decrease the volume5.PLAY/PAUSE:Short press is the switch between pause and play; long press is the switch of USB / TF / FM / AUX / BLUETOOTH; in the FM FM state, the pause play button is automatic search;6.NEXT/VOL+:Short press is to select the next song; long press is to increase the volume;Voltage:12VMaterial Type:ABSRadio Response Bandwidth:87.5 - 107.5 MHZItem Weight:0.02kgOSD Language:EnglishColor:SilverItem Size:50 * 24 MMResolution:xInstall Size:1 DinOut Power:NoneDisplay Size:1.1 inchComputer Memory Size:Accept TF card no more than 32GModel Name:MP3/USB/TF/LINE IN/FM/BLUETOOTHMaster IC:AC6925AMain control IC:AC6925ABluetooth IC:AC6925ABluetooth version:V5.0Music format:MP3 / WMA / WAV / FLAC / APE lossless formatRadio FM frequency:87.5-107.5 MHZFunction introduction:support MP3/USB/TF/LINE IN/FM/BLUETOOTH/DCPanel size:50 * 24 MM, the depth of the board is 35MMPackage Contents:1 *Bluetooth panel4 *wireOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.