Portable fan, USB rechargeable, 5 speeds with base, 4200 mAh battery, foldable, for office and outdoor use (purple)

【USB Rechargeable】With its built-in 4200mAh high-capacity lithium battery, the portable fan can run for 5.5 to 13 hours when fully charged. You can charge this mini battery-powered fan with any USB device as it is compatible with all USB ports. 【Five Adjustable Speeds and One-Button Design】Compared to similar products on the market, this small fan has been innovatively upgraded with five wind speeds to meet your needs in different situations. Furthermore, the one-button design allows you to switch between wind speeds with a single press and turn it off by pressing and holding the button for three seconds. 【LED Display】The fan comes with a digital display that shows the current wind speed and battery level while in operation. In addition, the small fan's battery level indicator also serves as a reminder to recharge it before the mini fan runs out of power. 【Fast Cooling & Removable Fan Cover】The USB fan features five blades that maximize airflow for a cooler, gentler breeze. Furthermore, the removable fan cover allows for easy cleaning to prevent allergies caused by dust buildup. 【Low Noise & Portable】The high-quality pure copper motor reduces friction noise and delivers a powerful breeze at a lower noise level. Weighing only 190 grams, the handheld fan can be taken anywhere, anytime. You can use it as a handheld fan, a neck fan by simply hanging it around your neck when you're outdoors, or as a desk fan while you work.