Primevolve Fan with Remote Control, 7200mAh Battery USB Stand Fan Foldable Portable for Outdoor Travel Camping, Quiet Desk Fan for Bedroom Office- White-7.7"

["Battery-powered fan with large battery capacity: This fan has a battery capacity of 7200 mAh, which can work for 6-21 hours in various speed modes without being connected to the power outlet. It can be fully charged within 5 hours. The USB fan is powered by USB (5V/2A) and is compatible with PC/laptop, power bank, wall adapter, car charger, and other USB-enabled power sources.", "Telescopic floor fan: Unique foldable design. The height of the table fan can be adjusted from 3.54 inches to 39.37 inches (90-1000 mm). The head tilt angle is adjustable by 180 degrees. When folded into the compact desk mode, the fan measures: 7.72'' x 7.72'' x 3.54''.", "Portable multi-purpose design: With its foldable design, this fan can be used as a table fan, floor fan, or stand fan. Thanks to its foldability, it can be conveniently stored in a space-saving manner. With easy transport and long battery life, it is suitable for outdoor activities such as traveling, camping, picnics, and fishing.", "4 speed levels: With the 4 speed levels of this portable table fan, the operating speed can reach 2.3m/s-4m/s in strong wind.", "Low noise: Thanks to the improved technology, this telescopic desk fan is low noise even at maximum speed setting (30-40 dB), allowing you to enjoy a quiet environment for sleeping, studying, or working."]