One Button Triggered MP3 Siren Horn Button Activated Voice Box Recordable Audio Speaker

Features

1. Built-in a high quality MP3 player with great sound quality.

2. Built-in 4MB flash memory as the storage device.

3. Easy to take off the lid and put it back.

4. Easy to update sound file on computer through USB connection.  

5. A push button is connected to the speaker.

6. It will play a sound after pressing the push button.

7. With the self reset button (green), it also supports multiple sound files other than one sound file only.

    -When there're multiple sound files, it will always play the next sound file after short pressing the button.

8. With the seft-locking button (red), the sound file is always played in a loop until the button is pressed again and released.

9. Equipped with a high quality class D amplifier.

10. Adjustable sound volume through turning the blue potentiometer on the internal circuit board. 

11. Wide power input and stable performance.

12. Length of the power wires: about 30cm

13. Length of the button wires: about 20cm

Technical Parameters

1. Working voltage: 5V to 30V DC

2. Working current: ≤1000mA 

3. Power consumption: ≤3W

4. Flash memory size: 4MB

5. Audio format: MP3 (≤192Kbps)

6. Sound pressure level: ≤100dB

Dimensions

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