1.【Super Long Endurance & Strong Airflow】- Adopted advanced technology, it lasts 14 hours with 2 speed levels, 21 hours with 1 speed after about 3 hours fully charged. The maximum fan rotation speed is 3400 rpm, which is enough for personal use to keep you cool. 2. 【Foldable Design & Mini Size】- Foldable design makes it easy to carry and store. Besides, with oval shape (1.3*1.3*4.7 inch, weight: 4.4 OZ), this rechargeable fan can hide the fan blade, small and easy to fit into your pocket and bag 3.【Power Bank Function & Quiet Operation】5V/1A USB-C output port makes the mini fan a power bank (2000mAh) in case of emergency, providing energy for a cell phone, MP3, etc. Without frame design, the noise reaches 50 dB, which does not cause any problems. during work. 4. 【Flashlight and Wrist Lanyard Included】- Long press 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 during a power outage. And