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:Yes Function:Voice Recorder,FM Radio,bluetooth,Build in Speaker 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 Feature 1:MP3 WMA WAV Decoder Board Feature 2:Bluetooth 5.0 MP3 Player Decoder Board Feature 3:ape decoder speaker Feature 4:Mp3 Music Player Speaker Feature 5:6W Amplifier Bluetooth 5.0 Car Kit MP3 Player Feature 6:Wireless Bluetooth 5.0 MP3 WMA Decoder Board Feature 7:2*3W Power Amplifier Board Feature 8:Car Audio Accessories Feature 9:MP3 WAV Decoding Board Feature 10:Bluetooth Call Speaker Amplifier Audio Receiver Module Feature 11:Support song format MP3 /WMA / WAV / APE / FLAC Feature 12:Handsfree call Feature 13:usb mp3 player amplifier Feature 14:usb fm mp3 bluetooth player board Feature 15:mp3 decoder board Feature 16:handsfree car mp3 player phone 12V USB: Connect to U disk (maximum support 32GB) LED Color Screen: Digital Screen Display, Red Screen Display Infrared receiving module TF: Connect to TF memory card (maximum support 32GB) AUX: Audio Input Interface VOL-: Short press is the last song; Long press is the volume reduction. PLAY/PAUSE: Short press is the switch between pause and playback; Long press is the radio FM automatic station. VOL+: Short press is to choose the next song; Long press is to increase the volume. MODE: Switchover of USB/TF/FM/LINE IN/BLUETOOTH Voice Master IC: AC6926 Bluetooth IC: AC6926 Bluetooth version is version 5.0 Music format: MP3/WMA/WAV/FLAC/APE lossless format music Power: 2*3W, connected to two 3W speakers Radio FM Frequency: 87.5-107.5 MHZ Introduction of Support Functions: Support MP3/USB/TF/LINE IN/FM/BLUETOOTH/Remote Control/DC 5V About structure: panel size: 107 * 25 MM, panel corner and screw hole position, then cover surface, the depth of the board is 32 MM Description of recording function 1. Press the MODE button for a long time to start recording, and then press the MODE button for a long time to cancel recording function 2. Press the PLAY/PAUSE key to play the recording file. 3. When recording, it is more necessary to connect a storage device, such as a U disk or a TF card. 5V 3.5mm Mic jack Microphone function Bluetooth version 5.0 Power supply voltage: 5V (range 3.7V-5V) and current not less than 1A. Power: 2*3W, and two 3W speakers can be connected at the same time. Connect the 3.5mm microphone function, Support calling (long press the pause button to answer the call when there is a call). Support recording. Recording only supports operation in TF mode or USB mode. Support power-off memory Folder switching function Music format: MP3/WMA/WAV/APE/FLAC lossless music format. Radio FM frequency: 87.5107.5mhz. Introduction of support function: Support MP3/USB/TF/LINE IN/FM/Bluetooth/DC 5V . 5V 1. ON/OFF: power switch; 2. DC 5V: charging interface; 3. Switch indicator; 4. Microphone: call function; 5. USB: Connect U disk (maximum support 32GB); 6. VOL-: Short press is to select the previous song; long press is to decrease the volume; 7. PLAY/PAUSE: Short press is to switch between pause and play; long press is to switch between USB / TF / FM / LINE IN / BLUETOOTH, short press is to automatically search channels in the radio FM state; 8. VOL+: Short press is to select the next song; long press is to increase the volume; 9. TF: Connect TF memory card (maximum support 32GB); Bluetooth version: Bluetooth 5.0 With Bluetooth call function, power supply voltage is 5V, current requirement is above 2A Music format: MP3 / WMA / WAV / FLAC / APE lossless format music Power: 2*3W, connect 2 3W speakers Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / DC 5V About the structure: Panel size: 71 * 22 MM, the depth of the board is 26 MM, the distance between the two screw positioning holes is 59MM