Xcellent Global 5 Inch Portable Clip Fan Battery/ USB Fan Desktop Fan Quietness Fans Portable Clip to Baby Stroller and Table with 2 Bonus 18650 Batteries + 2 Bonus Mini Fans, Blue HG079 This desktop fan has features of portability, green energy, environmental friendly, low power consumption, strong wind power, replaceable battery, long life One battery required to work, packaged with Two 18650 batteries, each one can support about 2~6 hours according adjustable speed with fully charged With the design of the clip on the base of the battery powered fan, the middle part and the blades can rotate by 360 degrees without dead ends Compact design, Safe to carry with the high-quality ABS and a solid structure and pressure-resistant. Powered with the USB directly or battery, easy to use. Operate quietly; Portable and easy to carry by 5 inch diameter; You can also use the mini fans no matter in the home, walking in the park, traveling outdoors, studying in the school, working or painting.