Technical specifications:
1. Support the sampling rate (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
2. 24-bit DAC output. dynamic range support: 90dB. SNR support: 85dB
3. Fully support FAT16. FAT32 file system. the maximum support 32G TF card. support 32G U disk. 64M bytes of NORFLASH
4. A variety of control modes. IO control mode. serial port mode. AD button control mode
5. Broadcast language features. you can pause the background music being played. The ad plays back when it finishes playing back the background sound
6. The audio data sorted by folder. up to 100 folders. every folder can be assigned 255 tracks
7. 30 volume adjustable. 6 EQ adjustable

Applications:
1. Car navigation voice broadcast
2. Road transport inspection. toll station voice prompts
3. The train station. bus station security check voice prompts
4. Electricity. telecommunications. financial business hall voice prompts
5. Vehicle in and out of the channel verification voice prompts
6. Border check channel voice prompts
7. Multi-channel voice alarm or device operation guide voice
8. Electric sightseeing car safe driving voice announcement
9. Mechanical and electrical equipment failure automatic alarm
10. Fire alarm voice prompts
11. Automatic broadcast equipment. broadcast regularly
12. The DFPlayer Mini is a compact and inexpensive MP3 module that plugs directly into the speakers.
13. Module with the battery. speakers. buttons can be used alone. can also be controlled through the serial port. as UNO or any serial microcontroller is a module.
14. The module itself is a perfect integration of MP3. WAV. WMA hard decoding.
15. At the same time software support TF card driver. support FAT16. FAT32 file system.
16. Through a simple serial command to complete the designated music player. and how to play music and other functions. without cumbersome bottom of the operation. easy to use. stable and reliable.

Package Included:
1 x Mini MP3 Player Module U-disk TF SD with Simplified Output Speaker for Arduino
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.