China Portable Fan factory 57-LT20009 Double-head Foldable Rechargeable Mini Fan Description * Material: ABS + PE * Product size: 4.4*3.6*10.3cm, 90g * Switch function: Low/ High/ Off * Powered by 1x 500mAh 801740 lithium battery, INCLUDED * Discharge time: 2-3 hours * Input: DC5V/ 0.5A * With a USB cable * Light, foldable and portable, can cool you in whole summer wherever you go! * 4pcs blades with high speed can supply strong wind to meet your needs after outdoor activities. * Free your hand just put it on desk while you are working and reading. * http://www.jaspalights.com/portable-fan/