Portable Mini USB Rechargeable Fan

Convenient to carry anywhere and anytime. Powered by lithium ion 3.7V, rechargeable battery (2400 mah, INCLUDED),  High energy conservation, silent cooling. 3 Level of fan power (Lite, Normal, Strong) Different ways to charge fan with lithium battery in: connect micro USB charging cable via computer/notebook, car charger, power bank, 5V wall USB charger, 5v solar charger etc. High efficient and 2-8 Hours long working time per charge (Depend on the mode you use) Fan also works WITHOUT battery as long as connected to a computer or other power source Bright LED light on the side to help you in event of power outage Product Size: 5 1/2 * 4 *1 1/2 inch