1. Material: plastic
2. Size: D90mm x H40mm
3. Shape: round button shape
4. Play button: top button
5. Sound length: 15 seconds. (Can be a paragraph or a few different sounds)
6. Built-in speaker: 47mm, 8 ohms / 0.25 watts
7. Power supply: 2 x AAA battery (not included)
8. Play times: can play more than 2000 times. (The battery can be replaced after running out)