Rechargeable Foldable/Foldaway Fan with 7200MAH Battery Operated, 6 - 24hrs Use. Wide-Ranging Use. The Foldaway Fan with adjustable height from 14.2 to 39 inch by stretchable aluminum alloy tube, is convenient for you to use in kitchen table/office/home or camping. Extra-Long Working Time. Build-in 7200MAH rechargeable battery. Working time varies from 6 Hours to 24 hours, depending on the speed selected. Easy Operation. There is just one button to start and change speeds and operates very quietly. Convenient to Storage. Portable Design for easy carrying or store. Quality-Guarantee. We accept returns for any quality issues. All our fans are meticulously tested to ensure its optimal operation. It is recommended a first full 5 hours recharge before using the product.