YXY-4018 5V Blue-Ray Audio Decoder Board Bluetooth 5.0 DAC w/ Recording Electric Quantity Detection

YXY-4018 5V Blue-Ray Audio Decoder Board Bluetooth 5.0 DAC w/ Recording Electric Quantity Detection

Introduction:
1. Blue digital tube display.
2. In USB/SD mode: Short press button to play/pause. Fm radio mode: Short press button to search for stations automatically.
3.In BT/USB/SD mode: Short press button for the previous song, long press the button for volume -. Fm radio receiving mode: Short press button for the previous radio station, long press the button for volume -. AUX mode: Long press the button for volume -.
4.In BT/USB/SD mode: Short press for the next song, long press for volume +. Fm radio mode: short press for the next radio station, long press for volume +. AUX mode: long press for volume +.
5. REC recording button:
* In the USB/SD mode, long press this button to record the input audio of MIC port.
* In AUX mode, long press this button to record the input audio of AUX port.
* In FM mode, long press this button to record FM audio.
* The length of recording time depends on the capacity of your U disk or SD card.
* When playing a music U disk with recording files, short press this button to quickly switch to the recording file playing, which is convenient for users to quickly find the recording file.
* In AUX, USB/SD, FM working mode, when either U disk or SD device is plugged in, long press the REC button for 2 seconds to start recording. During the recording process, short press the REC button to end the recording and playback the content just recorded . If users are listening to the music in the USB/SD, the users can short press the recording button to quickly switch to the recording file to play. If users do not want to hear the current recording file, they can press and hold the MODE button for 2 seconds during the playback of the recording file. They can clear the current REC recording file. Please be sure to delete the unwanted content.
6. USB/SD boot to repeat all by default. Press this key to switch to single cycle playing.
7. MODE button: Short press to switch between AUX/USB/SD/BT/FM modes. Long press this button when playing a recording file, you can delete the currently playing recording file.
8. EQ key: Short press this key when playing USB/SD music to switch between 5 kinds of EQ sound effects.
9. Receiver head.
10. U disk socket supports dual lossless format decoding APE, FLAC, WMA, WAV, MP3, etc.
11. SD card socket supports dual lossless format decoding APE, FLAC, WMA, WAV, MP3, etc.

Specifications:
- Bluetooth name of this product: BLUETOOTH
- Support 32G memory card or 64G
- The volume is divided into 30 levels

1. Digital ground and analog ground wire: (the ground wire is connected when the independent transformer winding is used for power supply.), (when a battery box is used, the ground wire is separated).
2. The mainboard power interface is 5V (note that the positive and negative poles are not reversed).
3. Left and right channel audio output.
4. AUX external signal input.
5. 12V battery power display interface: (When the detection voltage is lower than 5.8V, the battery symbol does not light up, 5.8V-9.5V flashes in the first grid. 9.5V-10.5V, one grid is always on. 10.5V-11.5V, two grids are always On. 11.5V or above, three grids indicate full power. Note that the current design maximum detection voltage should not exceed 22V). When your battery is lower than 8.5V, the machine prompts the user to charge the battery, which can protect the battery from over-discharge. When the battery is lower than 8.5V, the system automatically displays Undervoltage and stops working. If this product is not applied to this battery detection port, the system defaults to working status.
6. Fm radio antenna interface.
7. MIC recording port.
8. Operation function buttons and remote interface MODE button: Short press to switch between AUX/USB/SD/BT/FM modes. Long press this button when playing a recording file, you can delete the currently playing recording file.

Package Included:
- 1 x Audio Decorder Board
- 1 x Remote Control

Note:
- Battery is not included in the package.