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This kit includes:

The MP3 player board with build in 3 Watt amplifier
4 push buttons with 12" leads
a 3-watt speaker with 6 inches of wire connected.
3 x AA battery holder with 5.9" leads

All that is needed is a small screwdriver to attach the wires to the MP3 board. Add 3 x AA batteries and you are good to go!

Features of The FN-T418

Uses a micro USB port to directly plug into the USB port of PC for easy use of the sound module.
Built-in an 8MB flash memory, which is able to store a total of about 8 minutes long MP3 files of
Supports earlier Windows, Windows 10, and Mac operating systems
Support audio format: MP3 and WAV
Able to play multiple audio files on per button.
Built-in a class D 3Watts amplifier IC and a 3.5mm audio
Directly drives a 0.5Watts to 3Watts (4ohms to 8ohms) speaker
Volume is adjustable through adjusting the blue potentiometer
Built-in headphone output for easy use if the external speaker is not something that will work with your project.
4-Key Operations with 7 Triggering Modes
- 0: Short press the button to start playing, and during playing, if you press the button again, the playback will be interruptible and it will play from the beginning.
- 1: Press the button and hold to start playing repeatedly, and when the button is released the board stops playing.
- 2: Short press the button to start playing, and during playing, if you press the button again, the playback will be NOT interruptible.
- 3: Short press the button to start playing repeatedly and press the button again to stop.
- 4: Press the button and hold to start playing once, and when the sound file goes to the end, the board stops playing.
- 5: Interruptible and switches to the next sound file.
- 6: Uninterruptible
Working voltage: 3.7-5V DC
Working current: ≤100mA (1Watt 8ohms speaker)
Standby current: 0μA
Suitable to be powered with 3 x AA, 3 x AAA batteries or a Li-ion battery
PCB size: 50mm x 34mm
Height of the module: 14mm

Features of the Battery Holder

With leads (150mm)
For: 3 x AA (LR06)

Features of the Button

With 12" (30mm) leads
Ends stripped and tinned 0.12" (3mm)

Specifications:

- Momentary Push Switch
- Flat rubber head (white)
- 3mm height

Features of the speaker

Small Size
Power rating: 3W
Impedance: 8Ω
57mm diameter and 12mm high
6 inches of wire pre-attached