1、3D head‑shaking for wide area air supply, automatically shaking the head 180 degrees left and right, and swinging up and down 90 degrees freely. 2、When used with an air conditioner, the cold air diffuses rapidly, and you can quickly feel the coolness without setting a very low temperature. 3、Quiet operation does not disturb your work and study. The battery has a capacity of 10000mAh, long‑lasting battery life, and can be used for up to 27 hours. 4、It is a humanized design. The mask can be easily disassembled, easy to clean, easy to store, and healthy to use. 5、Appointment function, automatic timing. The four gears of 0.5h, 1h, 2h and 3h can be switched arbitrarily. If the fan is turned off halfway, the timing will also be turned off. 6、Touch control digital LED display, multi‑speed air volume adjustment. Remote control ensures that you can easily adjust it with your fingers. Item Type: Electric Fan Material: ABS Weight: Approx. 1386g / 48.9oz Voltage: 5V Current: 2A Power: 1.35-6W Remote Control Battery: 1 CR2032 button battery (not included) Fan Battery: polymer lithium battery 10000mAh (included) Use Time: 4.5-27 hours Motor Speed: 1100-2000rpm Left and Right Angle: 180° Up and Down Angle: 90° How to Use: 1. Turn on the fan: short press the power button, the default is one gear. 2. Gear adjustment: short press the wind speed button to switch gears. 3. Head shaking setting: click the shaking head button to start shaking the head left and right, short press again to fix it, and the fan head will automatically return to the starting position when it is turned off. 4. Timing: click the timing button to switch the time in the power-on state. 1 x Electric Fan (Battery Included) 1 x Manual 1 x Remote Control (Battery Not Included) 1 x USB Cable