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:No Supports FM:No Battery Specification:External Power Signal Noise Ratio:89dB Supports Recording Function:Yes Display Size:None Package:No Function:Voice Recorder,bluetooth Model Number:5V 12V Car Radio MP3 Player Style:Car MP3 Battery Life:> 20 hours Screen:Yes Balanced Out:No External Memory:No Audio Format Support:FLAC,ape,MP3,WAV,WMA Origin:Mainland China Certification:CE Support:5V-12V Call:Support Recording function:Support Amplifier:2 x 3W Amplifier 2x3W Feature : Bluetooth version: Bluetooth 5.0 Power supply voltage: 5V-32V, Power: 2 * 3W, two 3W speakers can be connected at the same time With call and recording function Music format: MP3 / WMA / WAV / APE / FLAC lossless music format Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control connection / DC 5V-32V About the structure: Panel size: 93 * 36 MM, the two corners of the panel and the position of the screw holes, the depth of the board is 33 MM Pacakge: 1 x Mp3 player 1 x Remote control 2x25W 3070 speaker Model 3370Z-4 ohm Cable length: 380mm Product Type Speaker Overall dimensions length*width*thickness Type Electric (moving coil) Use Receiver (small) Shape rectangle Composition method Coaxial composite Diaphragm material paper Magnetic circuit form internal magnetic type Frequency characteristics Full frequency band (full range) Rated power 5 (W) Rated impedance 4 () Frequency response 20-30000 (kHz) Waterproof rating Directivity NS Sensitivity 110 (dB/W) Sex to noise ratio 99.99 (dB) Harmonic distortion 0.001 (TMD%)