S57 Outdoor Sports RGB Hanging Neck Fan Folding Portable Mini Bladeless USB Fan 1. Hanging neck does not tangle hair, long battery life, RGB lighting effect, LED ambient light, digital display 2. Comfortable to wear, seven-color ambient light, multi-directional wind direction adjustment, 3-speed wind speed adjustment 3. Adjustable angle, high toughness hose 4. Comes with RGB ambient lighting, which can brighten your eyes even in the dark 5. Light and unburdened, with load-reducing structure design, comfortable to wear 6. High-definition dot matrix display, wind power can be seen 7. The multi-blade turbine gathers wind to reduce air fluctuations, and the left and right twin turbine blower design makes the wind stronger, energy-saving and quiet 8. Double hose design, light and breathable 9. Working current: 0.85A 10. Input current: 5V2A 11. Rated power: 5.1W 12. Rated power supply: DC 5V 13. Power supply mode: Type-cUSB-c chargingbuilt-in lithium battery 14. Battery capacity: 1800mAh x 2 15. Charging time: 2.5 hours 16. Working hours: 2.50 hours for the first gear, 4 hours for the second gear, and 6 hours for the third gear 17. Function: three-speed regulation (soft windmiddle windstrong wind) twin turbo wind gathering 18. Material: ABS+Silicone 19. Dimensions: 22 x 17 x 5.5cm 20. Net weight: 318g 21. Gross weight: 436g