Whether in the offices, study room, bedroom, kitchen, these fan is perfect for space that require ventilations, a fixed position Stay cooling and productive throughout day With a powerful 4000mAh battery, these fansprovide efficient cooling The funtional designs allows for vertical, horizontals use, while the adjust speed ensures airflows the convenience of remote control and USB charging with this set of USB fan Stay cooling and comfortable wherever you is The detachable fan structure, 180degrees manual rotations, and tilting angle provide customizable cooling option Perfect for worker, students, and homemakeres who spend extended periods useing computer Stay refresheds and focuse with these fan