Super Long Endurance and Strong Airflow- Adopted the advanced technology, it lasts for 14 hours with 2-speed, 21 hours with 1-speed after about 3 hours full charge. The maximum rotating speed of the fan is 3400 rpm which is enough for personal use to keep you cool.Foldable Design and Mini Size- The foldable design makes it easy to carry and store. Besides, with the oval shape(1.3*1.3*4.7 Inches, Weight: 4.4 Oz), this rechargeable fan can hide the fan blade, small and easy to slide into your pocket and purse.Power Bank Function and Quiet Operation- 5V/1A USB output port makes the mini hand fan to be a power bank(2000mAh) in an emergency, supplying power for mobile phone, MP3, etc. With no frame design, make the noise low to 50db which causes no bother during work.Flashlight and Include Wrist String- Long press the power button to open the flashlight feature when the fan is not spinning. The flashlight is quite bright and can be used in dark areas or if the electricity is out. And with a lanyard included, you can hang it in your hands or travel backpack.USB Fast Charge & Gift Choice- You can use a wall charger, laptop, power bank to charge it. And the handheld fan only needs 2-3 hours to get fully charged. This mini handheld fan will also be a gift for your family and friends. Cute, tiny, and useful gadgets for most people.