RGB Programmable: Plug the mini fan into the USB port of the computer (no data cable required), and the user can freely program the message and change the color through the software. (The software is not compatible with the macOS system). Safety And Flexibility: USB computer fan features PVC soft fan blades and a flexible neck for safe use. The neck can be twisted to direct the cool breeze in any desired direction. Widely Compatible: USB LED fan offers a cool design and convenient use in offices, rooms, and during camping. Works with laptops, power banks, and any available USB outlet. Easy To Carry: Compact mini USB fan can be easily stored in a bag, providing relief on hot summer days. Messages remain saved even when powered off. Scenario: Laptop fan and USB gadget suitable as a gift for yourself, family, or friends. Use programming to display personalized messages; ideal for displaying slogans in shops, counters, or company spaces.