1. Material: plastic
2. Function: One-key bubble generation, automatic mode, fun style, USB charging, safety and environmental protection, rich bubbles
3. Size: 20.6x15x12.4cm
4. Weight: 275g
5. Battery capacity: 3.7V 500mah
6. Charging time: about 90 minutes
7. Use time: about 60 minutes
8. Applicable age: 3 years old and above