WIFI:NoDSP:AB5362B DAC:- Dimensions (WxHxD):79*54 mm 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:Bluetooth 5.0 MP3 Decoder Board Style:Pure Audio 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 Feature 1:Support power off memory Feature 2:Support recording Feature 3:Support folder playback Feature 4:Digital screen display Feature 5:true stereo dual channel Feature 6:Support song format MP3 /WMA / WAV / APE / FLAC Feature 7:Wireless Bluetooth 5.0 MP3 Decoder Board Feature 8:Support 32GB TF Card Feature 9:Support LINE IN Feature 10:DC 12V power supply Feature 11:LED Lossless Audio MP3 Player Feature 12:Bluetooth MP3 Decoder Card Player Combo Package: 1pc MP3 Decoder Board + 1pc Audio Amplifier Board MP3 Decoder Board: 1pc MP3 Decoder Board Audio Amplifier: Only 1pc Audio Amplifier Board MP3 Decoder Board Model: JQ-D111BT Bluetooth Version 5.0 Bluetooth version is 5.0 Support internal recording function, internal recording LINE IN / FM / BLUETOOTH; Folder switching function; Music format: MP3/WMA/WAV/FLAC/APE lossless format Radio FM frequency: 87.5107.5 MHZ Support function introduction: support MP3 / USB / SD / LINE IN / FM / BLUETOOTH / remote control connection / DC 12V; About the structure: Panel size: length 81*55MM, the panel is surrounded by screw holes, and then the surface is pasted with PVC lenses, the depth of the panel is 25MM 1. Button and interface function USB: Connect U disk (maximum support 32GB) LED: digital screen display, showing red SD: Connect SD memory card (maximum support 32GB) IR: Infrared Receiver Module MODE: Switch between USB / SD / FM / LINE IN / BLUETOOTH EPEAT: Press once to cycle a single track, press it again to cancel a single track cycle REC: Press and hold the REC button to start recording, press the REC button again to cancel the recording function and play the recorded file; when recording, you need to connect a storage device, such as a U disk or TF card; EQ: Sound field mode, test 6 kinds of sound quality REV/VOL-: Short press to select the previous song, long press to decrease the volume, double click to switch to the previous folder; PLAY/PAUSE: Short press is to switch between pause and play; long press is to automatically search for radio FM; 11. NEXT/VOL+: Short press to select the next song, long press to increase the volume, double click to switch to the next folder; Audio Amplifier Board Description Power amplifier: 2*20W Voltage: supply voltage 12V, minimum input current 2.5A Board size: 26*33MM Screw hole fixing size: 23*29MM package included: 1 x audio amplifier board