WIFI:NoDSP:- DAC:- Dimensions (WxHxD):- 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:MP3 Decoder Audio Board Style:Car MP3 Battery Life:> 20 hours Screen:Yes Balanced Out:No External Memory:Yes Audio Format Support:MP3,WAV,WMA Origin:Mainland China Battery:no includes Features 1:mp3 player for speakers Features 2:mp3 decoder for car Features 3:mp3 player for motorcycle Features 4:usb board mp3 player bluetooth decoder Features 5:power supply player Features 6:12v music player Features 7:mp3 usb fm bluetooth board Features 8:Bluetooth 5.0 MP3 Player Decoder Board Features 9:12v bluetooth mp3 player Features 10:car usb mp3 player Features 11:bluetooth speaker mp3 player Features 12:placa decodificadora mp3 bluetooth Notice : without amplifier type support function :Calls , recording ,Bluetooth version 5.0 with amplifier type support function: 2*25W amplifier ,Calls , recording ,Bluetooth version 5.0 with amplifier Feature: 1. Bluetooth version 5.0 2. Support calls (long press the pause button to answer the call when there is an incoming 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 recording file; exit the recording mode and long press the pause button to exit. When recording, you need to connect a storage device, such as: U disk or TF card;) 4. Support power off memory 6. The power supply voltage supports between DC6v-12v, and the current is between 1-3A. 7. Can be directly connected to speakers, with power amplifier and decoding functions. 8. Support song format MP3 /WMA / WAV / APE / FLAC 9. Main function MP3/USB/TF/LINE IN/FM/BLUETOOTH/remote control/ 10. Power 50W, true stereo 2*25W. 11. Digital large color screen display 12. Size: 92*41MM without amplifier Key Description: USB: Connect U disk (maximum support 32GB, not included) LED: Digital color screen display, red infrared receiver module TF: Connect TF memory card (maximum support 32GB, not included) AUX: Audio input interface 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 automatically search for radio FM VOL+: Short press is to select the next song; long press is to increase the volume MODE: USB/TF/FM/AUX/BLUETOOTH sound switch Package included: 1 x MP3 Decoder Board 1 x Remote Control (without battery) 1 x Cables