BENWIS multifunctional folding fan with 4 blowing modes (sleep wind, circulating wind, strong wind, natural wind) and shaking head function. It has a built-in battery of 20000mAh, high air volume, high battery capacity, long endurance, and can operate for up to 12 hours in first gear, 8 hours in second gear, and 4 hours in third gear. The unique silent design, even in the third gear situation, the silence is beyond imagination. The fan can be folded and stored, fully folded 180 degrees, and can still be used standing after folding. It can also be stretched to become a floor fan, with a freely adjustable height and a 70 degree automatic head shaking function. The fan is detachable for cleaning, with a buckle design for safety and stability. For the convenience of travel and carrying, it comes with a handle designm, it is an essential blowing artifact.