Product details of

Portable Design Compact and lightweight mini pocket fan, perfect for travel, easily fits in pockets, purses, or bags for on-the-go cooling
EASY TO USE: Plug directly into the phone to use, simple and convenient, and the mini fans are equipped with IC protective plates, which won't damage the phone. Some Android phones need to support the OTG function to use, please find the OTG function in the Settings and make sure it is turned on before using
COOLING SOLUTION: Creates a personal cooling zone, ideal for hot summer days, outdoor events, or any situation requiring quick relief from heat

SAHIBUZZAMAN:-

Flexible and Portable
Enjoy the innovation of air through USB
The cooling unit has two soft plastic rotating blades that providing enough air movement to blow a fresh breeze and cool you down
Light weight, portable use and easy to carry outdoor
For Laptop, PC or PowerBank. Can be used with Mobile with OTG
Material Type: Polyvinyl Chloride
Portable, Lightweight, Foldable

1 pcs of LiteCool Portable Fan Portable Mini Fan for Mobile Devices - Energy Saving and Lightweight. .