JESBAN Rechargeable Battery Operated Fan Handheld USB Mini Misting Fan with Personal Cooling Humidifier (Blue) 3 Models: can use as USB fan model, misty model or fan+misty model Powered by USB or battery(3 *AA batteries),0.5lb approximately,Light weight and handle design,very easy to carry to everywhere. Please note that the batteries are not included Small USB fan,Misting fan and Mini humidifier,fit for car office,home,outdoor etc Automatic protection:after 30 minutes of intermittent or continuous, spry will automatic turn off 1 year replacement for defective product, 30 days refund & return and friendly customer support