[Super Technology] This rechargeable fan is super quiet and super powerful. With special technology, it is quite quiet when working even at high speed, whether your child is sleeping or you are working. [Long working hours and USB rechargeable] This personal USB fan is powered by an upgraded rechargeable lithium polymer battery, which can be charged and discharged multiple times, and supports a variety of power sources, such as standard outlets, mobile power supplies, and a car charger, computer or any device with a USB port. [Powerful battery capacity] This rechargeable fan comes with a 2000 mAh battery that can even last up to 2-6 hours when fully charged. It is convenient to use the battery-powered fan so you never have to bother with cords or cables. size: 14.5x16.5x25cm Color: White Material: ABS Package contents: 1 x fan 1 x USB cable Only the above package content, other products are not included. Note: Light 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 +/- 1-3 cm.