Silent Mini Cooler Usb 2000mAH,LED Display,5 Adjustable wind speeds,90°Folding,with Phone holder.
Dimensions (1.38 "D x 3.62" W x 7.67 "H) Low Weight (145g), put in bag or backpack, easy to carry when traveling, shopping, camping, going to class or to work, A perfect travel companion!
The portable fan can be foldable to 180 ¿, adjust the angle of the fan flexibly to ensure that the fan continues to provide a fresh air flow for you.
Battery: 2000 mAh, durable and long-lasting, charging only 2.5-3 hours, fully charged up to 30 hours maximum usage.
maximum wind speed noise <25db, minimum wind speed noise <7db, even if you are working, in class or during sleep, it does not bother you