Super Long Endurance & Upgraded Strong AirflowAdopted the advanced technology, lasts 46 hours at speed 1, 35 hours at speed 2, 13 hours at speed 3 after about 3-4 hours of full charge. With enlarged blades, the wind increased by 30% compared to the original version. Foldable Design & Mini SizeThe foldable design makes it easy to carry and store. In addition, with the capsule shape (5.1*1.65*1.65 inches, weight: 6.38 OZ), this rechargeable fan can hide the fan blade, small and easy to slip into your pocket and bag. Power Bank Function & Quiet OperationThe 5V/1A USB output port turns the mini fan into a power bank (4800mAh) in case of emergency, supplying power for mobile phones, MP3 or iPod, etc. No frame design, it makes the noise reach 50 db which does not cause disturbance during work. Flashlight & Includes Wrist Cord Press and hold the power button to open the flashlight function when the fan is not spinning. The flashlight is quite bright and can be useful in dark areas or if there is no electricity. And with a drawstring included, you can hang it in your hands or in your travel backpack. Safety Touch blades, surge and short circuit protection keep you and your family safe. We believe in our products, which is why we offer a worry-free 12-month warranty, covering defects in materials and workmanship for one year from the date of original purchase.