【Small Battery Operated Desk Fan】This desk fan has a 4500mAh USB Rechargeable Battery(Lithium-Ion). It can support a long-running time for 4-16 hours. The table fan will be fully charged within 3-4 hours. 【Foldable Design and Mini Size】The folding design makes it easy to be carried and stored. Besides, with the capsule shape(5.1*1.65*1.65 inch, weight: 6.38 OZ), this rechargeable fan can hide the fan blade, small and easy to slide into your pocket and purse.Gifts choice for Christmas & New year. 【Super Long Endurance and Updated Strong Airflow】Adopted the advanced technology, it lasts for 46 hours at speed 1, 35 hours at speed 2, 13 hours at speed 3 after about 3-4 hours full charge. With enlarged blades, the wind increased 30% compared to the original version.The maximum rotating speed of the fan is 3400 rpm which is enough for personal use to keep you cool. 【3 Speed & Natural Modes】There are 3-speed modes and one special natural wind mode(4th Speed). The rechargeable desktop fan will slowly continuously change the speed between 1st and 2nd speed. You easily choose what you love. 【160° Vertical Rotation】 Small Desk Fan can rotate 160° to adjust the angled airflow. It's easy to change the angle to which you like. It can give you a better tactile feeling of the fan.