Specification:

DFPlayer Mini is a compact and inexpensive MP3 module can be directly connected to the speaker. Module with battery power     speaker     keypad can be used alone     or through the serial port control     as the Arduino UNO or any microcontroller with a serial port module. The module itself perfectly integrated hardware decode MP3     WAV     WMA's. While the software supports TF card driver to support FAT16     FAT32 file system. Can be done through simple serial commands specified music player     as well as how to play music and other functions     without the cumbersome underlying operating     easy to use     stable and reliable.

Technical Specifications:

1     supports sampling rates (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
2    24-bit DAC output     support dynamic range: 90dB     SNR support: 85dB
3 fully supports FAT16     FAT32 file system     maximum support 32G TF card     support U disk to 32G     64M bytes NORFLASH
4     a variety of control modes are available. IO control     serial port     AD button control mode
5     radio spots language function     you can pause the background music being played. Advertising finished playing background sound continues to play back
6     the audio data is sorted by folder     supports up to 100 folders     folders can be assigned to every 255 Tracks
7    30 level adjustable volume     six adjustable EQ

Application:

1     car navigation voice broadcast
2     road transport inspectors     toll stations voice prompts
3     train     bus safety inspection voice prompts
4     electricity     communications     financial operating room voice prompts
5 vehicles into and out of the channel to verify the voice prompts
6. ** frontier channel voice prompts
7     multi-channel voice alarm or voice guidance equipment operation
8     electric sightseeing bus safety with voice announcement
9     electrical and mechanical equipment failure alarm
10     fire alarm voice prompts
11     automatic broadcast equipment     regular broadcast

Package included:

1 x DFPlayer Mini MP3 Player Module For Arduino