1. Charging method: USB 2. Working noise: 50db 3. Use time: 120 minutes 4. Working voltage: 3.7V 5. Rated power: 3W 6. Rated frequency: 50HZ 7. Battery: 3000 mAh 8. Size: 25X25X6 cm 9. Weight: 580 grams Note: This product is just a toy robot vacuum cleaner. Specification: Package Weight One Package Weight 0.97kgs / 2.15lb One Package Size 31cm * 8cm * 28cm / 12.2inch * 3.15inch * 11.02inch Qty per Carton 4 Carton Weight 5.00kgs / 11.02lb Carton Size 33cm * 30cm * 34cm / 12.99inch * 11.81inch * 13.39inch Loading Container 20GP: 792 cartons * 4 pcs…