Primevolve Battery Operated Portable Standing Fan, Rechargeable USB Personal Floor Fan with Adjustable Height Black 7.7 inch Black

Battery powered fan with large battery capacity: This mode transforming fan comes with a rechargeblae battery, which can work 6-21 hours under different speed modes without being plugged in. It fully charges within 5 hours. The USB personal fan is powered by USB( 5V/2A ) and compatible with PC/laptop, power bank, AC adapter, car charger, and other USB-enabled power sources.
Telescopic floor fan: Unique foldable design. The height of the desk fan can be fully adjusted from 3.54 in to 39.37 in (90-1000 mm). 180 degree adjustable head tilt angle. When folded into the compact desk mode, fan size is: 7.72’’ x 7.72’’ x 3.54’’
Multi-use portable design: With folding design, this fan can be used as a table fan, a floor fan or pedestal fan. Thanks to its folding abilities it is convenient to store and save space. Easy carrying and long rechargeable battery life make it suitable for outdoor activities such as travel, camping, picnics, and fishing
4 speed settings: With this portable desk fan's 4 speed settings, the working speed can reach 2.3m/s-4m/s with a strong air
Low noise: Upgraded technology makes this telescopic desk fan silent even at the maximum speed setting( 30-40 dB), allowing you to enjoy a peaceful environment for sleeping, studying, or working