1. Surround sound, long service life 2. Cartoon buttons, sleeping music before going to bed 3. High-strength ABS body is thickened as a whole, resistant to falling and abrasion 4. Artistic color matching, clear and soft without hurting the eyes 5. Colorful soft light design, round and not hurt your hands 6. Function: Support MP3 player, flash, recording, electric, music and light projection 7. Material: Plastic 8. Power supply mode: 3 x AAA batteries (not included) 9. Ability training: use hands and brains, intellectual development, interest cultivation, hand-eye coordination, parent-child communication 10. Applicable age: 3 years old and above 11. Use time: 4-5 hours 12. Size: 13x8.5x6.5cm