innobay 3-inch Mini Handy Portable Rechargeable Fan Operated by 18650 Lithium Battery, 3 Speeds, 1 Led Night Light, Perfect Size to Put in Hand Bag and Pocket (Blue) 3" Portable mini fan powered by 18650 battery; convenient to carry anywhere and anytime. 3 air flow speeds: high, mid, and low. Upon your choice, the fan works from 3-10 hours after fully charged. 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. 100% pure copper brushless motor makes F928S fan working 10000 Hours lifetime, high energy conservation. INNOBAY 2018 new design to replace GT328H, exclusive sale. Superior Quality: cutting-edge circuitry and a sturdy gloss ABS plastic exterior ensure reliability and safety.