Battery Operated Personal Small Fan for Home Bedroom Office Table

[New Release Built in Rechargeable Battery Fan] rechargeable small desk fan operates with 4000mah(Built in) and can operate for 5-15 hours after a full charge. At the same time, the bi-directional optimization of the motherboard and battery makes the small fan have longer working hours. It can also be used via USB port from your PC/computer/USB charger or other USB devices.[Strong Cooling & 90Rotation]The small desk fan has a strong and stable wind that keeps you cool. not disturbing your rest and work. The USB desk fan has 90 degree adjustable rotation.[4-stage adjustable wind speed & Quietness]4-stage easily adjustable wind speed. The speed of this portable desk battery fan can also be adjusted among low, medium, high and cycle mode according to your demands. it is decent and quiet which ensure the peaceful flow of air, and enough for personal use.[Safe & Portable]Used high-quality ABS and Brushless motor. It has stable performance and long operating life. and It is trouble-free to put this small size (Weight: 396g) the exquisite battery usb fan into your bag and carry it for outdoor events. Also, it can be used for indoor use. Perfect suitable for office, family, dormitory, library use and etc.Creative design: compact and portable. Detachable cleaning fan cover. Creative design makes you feel different.Battery Capcaity: 4000mAhRated Power: 0.65~2.5WInput: DC5V1AOutput Current: 0.15~0.29AOutput Voltage: DC4.5~8.6VWorking Time: 5-15h (Battery consumption varies depending on the wind speed)Charging Time: 5hSize: 13.8x7.5x18.3cm / 5.43x2.95x7.2 inchMaterial:ABScolour:pinkPackage Contents:1 * fan1 * usb cable1 * English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.