• High efficient and 2-8 Hours long working time (Depend on the mode you use)
• 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.
• Dual Power Sources， plug in with Adapter(Not included) or use with Li-ion 18650 Batteries (included)
• Come with a bright white LED light on one side for illumination use.
• Adopts the brush and slotless motor and 4pcs plastic fan blades to provide you strong wind and let you say goodbye to summer heat waves.

Specifications:
? Output air volume: 3-Speed 873 L/Min (work time about 2 hours)，2-Speed 459 L/Min (work time about 4 hours) ，1-Speed 242 L/Min (work time about 8 hours) ?
? Switch:2
? Blade quatity:4
? Output power: 4.5 W (Max) ?
? Battery: 18650 Lithium-ion battery? (INCLUDED)
? Charger: Input: 100-240V AC ?
? Output: 5V 1A DC ?
? Charging time: about 5 hours ?
? Dimension:14*10.6*4.2cm
? Product Weight:150g
? Package Dimension:14*10.5*4.2cm
? Gross Weight:0.22kg

Package includes:
1 x Mini Portable 4-inch 3 Speeds Rechargeable Fan
1 x USB Charger Cable
1 x User Manual