? Features: Small size, easy to carry, can be placed on the desktop, very convenient. Durable, portable, two-way use, USB charging and battery so you can even use it without charging. ? Function: 3 levels adjustable, you can choose according to your needs. Low noise design provides a quiet environment. ? Use occasions: Suitable for families, offices, dormitories, outdoor travel, camping, etc. ?Working Time: 1 - 3 Hours (According to the Wind Speed) ?Material: Plastic. Power Supply: 18650 Lithium Battery (Not Included) or USB
