WIFI:NoDSP:- DAC:- Dimensions (WxHxD):92*41MM Body Material:plastic Bluetooth:Yes Supports EBook Reading:No Operation Mode:Touch Tone Storage Type:Flash Memory Have Speakers or not:Yes Supports FM:Yes Battery Specification:External Power Signal Noise Ratio:89dB Supports Recording Function:Yes Display Size:None Package:No Function:Voice Recorder,FM Radio,bluetooth,Build in Speaker Model Number:60W amplifier Bluetooth 5.0 MP3 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 Certification:CE battery:not include power supply:DC 7V-22V Features 1:Support folder playback Features 2:Support call Features 3:Support power off memory Features 5:Folder switching function Features 6:Support song format MP3 /WMA / WAV / APE / FLAC Features 7:Bluetooth 5.0 Features 8:Power 60W (2*30W) Features 9:With power amplifier and decoding functions Features 10:recording Features 11:true stereo dual channel Features 12:Bluetooth 5.0 Car MP3 Player Features 13:amplifier bluetooth board Features 14:call recording music board Features 15:mp3 player for android Features 16:12v bluetooth amplifier board Features 17:folder switching board DC 12V 2*30W 60W Amplifier DIY MP3 Decoder Board Bluetooth 5.0 Music Player USB Module FM AUX Radio Recording Handsfree Call Function Description 1. Bluetooth version 5.0 2. Support calling (long press the pause button to answer the call when there is a call). 3. Support recording. Recording only supports operation in TF mode or USB mode. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recorded file; exit the recording mode and long press the pause button to exit. When recording, you need to connect a storage device, such as a U disk or TF card;) 4. Support power-off memory 5. The power supply voltage supports between DC 7v-22v, and the current is between 1-3A. 6. Can be directly connected to speakers 7. Support song format MP3/WMA/WAV/APE/FLAC 8. Main function MP3/USB/TF/FM/BLUETOOTH/remote control/ 9. Power 60W, stereo 2*30W. 10. Support folder selection to play. When USB or TF is playing, there is a folder in the device and there are songs in the folder. Press the previous button or the next button twice to select the folder to play songs, and the screen will display F001-F00? and so on, yes? A folder displays F00? .