1. Material: ABS+silicone+electronic components 2. Size: 26 x 26 x 4.5cm (expanded) 3. Net weight: 336g 4. Gross weight: 430g 5. Battery voltage: 3.7V 6. Input current: 1A 7. Input voltage: DC 5V 8. Features: hanging neck shape, universally adjustable wind, brushless silent operation, 5 hours of battery life, three-speed wind, no leaves and no hair 9. Power supply mode: USB/built-in lithium battery 10. Charging time: about 5 hours 11. Battery capacity: 2000/4000mah 12. Working time: about 12 hours for the first gear, about 8 hours for the second gear, and about 5 hours for the third gear 13. Packing list: fan + USB cable + manual
