Bluetooth 4.1 MP3 Decoding Module Audio Receiver Board Lossless Car Speaker Amplifier Modified Ci...

-Function:
1. Bluetooth decoding board support Bluetooth 4.1, support for automatic back to connect function, support WAV + APE + FLAC + MP3 lossless decoding, stereo output, on-board stereo 3W amplifier
2. Support USB Audio function, comes with TF card download, support U disk, TF card playback, support infrared remote control

-Operating instructions:
1. Mode control: when the decoder board is not plugged into the U disk or TF card, the default power-on is Bluetooth mode; when the decoder board is plugged into the U disk or TF card, the default power-on is music mode; mode switching through the remote control MODE key or button
2. Music mode: insert the U disk or TF card to play the stored audio files
3. Bluetooth mode: switch mode broadcasting english-The bluetooth device is ready to pair, that is, enter the bluetooth mode and wait for pairing; cell phone bluetooth search XY_BT is the decoder board device name, click to connect, the decoder board prompts-The bluetooth device is connected successfully, which means the decoder board is successfully connected to the cell phone, and you can play music
4. USB Audio mode: the sound card mode, with a USB cable to connect the computer and the decoder board USB Audio interface, switch the mode prompts the English-USB Mode that is USB Audio mode; open the computer music player to play music, you can play the music in the computer through the decoder board; if inserted into the TF card, you can read and write operations on the TF card (note) if you insert a TF card, you can read and write to the TF card ( note: when using the USB Audio mode, you must not insert a USB flash drive)

-Precautions:
1. If U disk playback, it is recommended to use USB 5V power supply (not recommended to use 3.7V lithium battery power supply), because the early U disk does not support 3.7V voltage
2. When using mobile power or computer power supply must use the POWER interface, you can not use the USB Audio interface, otherwise you can not play the music in the USB flash drive
3. U disk or TF card, the decoder board only supports FAT16/FAT32 file system, does not support the NTFS system