built-in 1pcs free maintenance and environmental lead-acid battery with high capacity to 4000mah
adjustable setting: high/medium/low speed, free to choose comfortable wind.
Foldable fan, saves space.
After full charge, the high speed can work 3.5hours, medium 5hours ans low 6.5hours
overcharge protection function
can be powered both by ac or dc
dc input can be charged by adaptor or solar panel
energy saving multi-functional fan and lighting
equipped with led night lamp function
strong light lighting can work up to 12hours
usb output function to charge to charge digital products