The fan runs silently, allowing you to use it while studying, sleeping and other quiet activities. Powered by a 10000mAh battery, the fan can run for a long time, and the fan has a of power . You can power it with a USB charging cable or batteries. Humanized design, the mask can be disassembled, easy to clean and , clean and tidy. Appointment function: automatic timing shutdown. Switch the timer shutdown gear to 0.5h, 1h, 2h, 3h, turn off the timer, if the fan is turned off halfway, the timer will also be turned off Using the remote control, the fan can be turned on from a distance. Small and portable, it is suitable for scenes such as study room, office, library, bedroom, kitchen, game room, RV, , van, travel, etc. size: 213mm x 179mm x 250mm Material: ABS+ colour: green Package Contents: 1 x Fan 1 x Data Cable 1 x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.