BENGOO Mini Desk Fan Portable Personal Cooling Fan USB Fan with Light Mode Powered by Rechargeable Battery for Office Baby Stroller Outdoor Use (Remove the Plastic film in the Battery Case before Use) Strong Wind: The fan equipped with powerful motor and 4 blades which will blow up strong wind. It is the ideal stuff that can drive the hot air away. Adjustable Speed: There are 3 wind speeds setting for the mini fan, low, medium and high. Choose and adjust the wind speed you preferred. It is the ideal stuff that can drive the hot air away. Light Mode: The internal blue light and side light design makes the fan be chic and unique. Moreover, the light mode will make the fan be multipurpose which will bring you a peace and safe night. User-Friendly: It is compact which can be carried easily anywhere. Go camping and travelling with this fan. The small gap of the fan cover and quiet operation make it be more user-friendly. Multiple Charging Mode : The fan will arrive with an usb charging cable and a rechargeable 18650 battery. You can charge the cooling fan by power bank, laptop and wall adapter (Not included). What a convenient fan it is!