1.WIRELESS RECHARGEABLE: Mini Portable USB Fan can Build-in a Rechargeable 500mAh Battery, Can Also be Powered by USB Cable and Rechargeable Battery. Comes with a Rechargeable Battery, Cable; Can Also Connect Power Bank, Used at Any Time. 2.ENJOY COOLING ANYWHERE: Hand Held USB & battery Powered Fan Suitable for Room Office Working Travelling Hiking Climbing Camping Exercising Sporting or Watching Games; Mini Personal Fan will be Your in Summer. 3.WIND SPEED ADJUSTABLE: Personal Fan USB Battery Operated Regulating Switch has 3 Settings, Low/ Medium/ High Speed Level. 4.PORTABLE HANDHELD FAN: Mini Handheld Cooling Fan Multiple,You Can Hold it on Your Hand, Put it on the Table or in your Backpack, It will not Take up Space. Tips before use: 1) You'd better tie up your hair before use the mini personal fan. 2) Recharge the fan when it cannot reach the 3rd speed or cannot be turned on. Product Name: USB handheld fan Operating Voltage: DC5V Output Power: 1.5W Shift: 3 Battery Mode: USB or lithium battery Battery Type: Li-ion 500mAh Product maintenance: Don' put your fingers into the fan, Children under 6 years have to be assisted by . size:6.4*3.5*13.3cm Material:ABS colour: blue Package Contents: 1 * Electronic Fan 1 * USB Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.