1. Message: Voice, music and animal sound are abailable.

2. Pre-recorded duration time: 3 to 180s are available.

3. It can be installed onto the book, when you press the button, it will play customized sound.

4. Size: Φ30 (top) / Φ38(bottom) x (H)16mm

5. 27mm metal speaker.

6. Battery: CR2032 x 1pc, battery can be replaceable

7. Clear and vivid voice quality.

8. All memories will not lose even if when power if off.

9. Any customized design and sound are welcome.

10. Package: One piece in an OPP bag or use blister to hold.

CE & ROHS