Features:-With 4-in-1 design, it can be used as a desk lamp, fan, mobile phone holder and pen holder, with complete functions.-The fan can be turned on and off independently, and there are three wind speeds for you to choose from easily.-The desk lamp has 3 color temperatures, warm light (3000K), natural light (4500K) and white light (6500K), and each lighting mode has continuously adjustable brightness to meet all your needs.-The desk lamp head can be flexibly adjusted up to 180° and the arm can be adjusted up to 90°, allowing you to direct the light where it is most needed for perfect lighting.-Built-in 2000mAh lithium battery, charging takes 5-6 hours, working time up to 80 hours. Comes with a USB power cable, can be easily plugged into any availa.