JX-Y04 12V 50W Color Screen Bluetooth Decoding Board,Support FM Call Recording, Color: Black White 1. 12V power supply, 2x50W stereo 2. Support folder selection and playback 3. Support callssupport recording (external recording); recording needs to be operated 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; in the recording mode, a storage device needs to be connected U disk or TF card) 4. Support USBTFBluetoothRadioAUX automatic switching 5. Support power-off memory function: memorize songs and volume before power-off 6. The product has a power amplifier that supports balanced output, stereo power 2 x 25W 7. Support MP3WMAWAVAPEFLAC song decoding 8. The signal-to-noise ratio is greater than or equal to 70dB 9. Radio frequency range: 87.5~108MHz 10. Remote control power supply: 2 x AAA batteries (not included in the product) 11. Power amplifier chip: HT326 Button function description: 1. PREVVOL: long press to decrease volume; short press in USBTFBluetoothradio mode for previous songprevious station 2. PLAYPAU: Short press in USBTFBluetooth mode to playpause; long press to switch modes, 3. NEXTVOL: long press volume up; short press in USBTFBluetoothradio mode for next songnext station 4. MODE: for mode switching, a total of 5 modes (Bluetooth-TF-USB-FM-AUX) Product acessories: -1 x host -1 x radio antenna -1 x remote control (without batteries) -3 x power cord