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1 or 2 Pairs 5V Cooling Fan 3 Gear Adjustment For Special Summer Outdoor Air-Conditioned Vests High Speed Conditioning Cool Fan Product parameter Product name: 5V Air conditioning suit cooling fan Product function: 3-speed adjustable cooling fan Target audience and scope: Construction workers, outdoor cleaners, fishing, cycling, running, mountain climbing, camping and other outdoor sports Perfect Gifts:As a gift for family and friends, to keep them cool and prevent heatstroke during the hot summer season Product  Function *In the high temperature environment of summer, long-term exposure to high temperatures or excessive heat radiation can cause heat damage, such as heat exhaustion, heatstroke, and heat cramps, which are irreversible. *Our portable cooling fan can be installed in summer air-conditioned clothing to block UV rays from the skin. Internal circulation fan can quickly reduce the temperature of the body's skin surface, evaporate sweat, and maintain freshness. *Target audience: People who need to stay in high temperature environments for a long time, such as construction workers, sanitation workers, agricultural workers, traffic police, couriers and food delivery workers, power and telecommunications maintenance personnel, landscaping workers, field workers in the oil and gas industry, mining workers Product Describe [Cooling down and relieving heat]3-speed adjustable fan, internal circulation air supply, can instantly evaporate sweat and quickly cool the body. [Strong motivation]Brushed motor provides stronger power and stronger wind force . [ Portable fan]A fan weighs only 87 grams, making it easy to carry. Can be installed on air-conditioned clothing to cool down without adding any workload. [ Easy to use] A 5V fan can be compatible with a regular 5V2A battery without the need to purchase additional batteries. The fan can adjust the wind speed freely through the connected USB cable. Silent and cool. [3D turbine blades] Widened 3D three-dimensional fan blades enhance air flow and increase wind power. Product List 5V fan * 2/4 USB switch adjustment cable * 1 Note: Not equipped with air conditioning and batteries. Batteries can be ordered separately in this store. Eliminate Heat and Unhappiness Refreshing Feeling A cooling fan can utilize outdoor air to bring wind into the interior of clothes, achieving the goal of quickly evaporating sweat and keeping the body cool and refreshing Maintain coolness during work in high-temperature environments The cooling fan has three adjustable wind speeds that can be adjusted according to the ambient temperature. Quickly reduce body skin temperature and avoid heatstroke, etc. Cooling in hot summer Internal circulation fan, rapidly cooling the body and causing sweat to evaporate instantly Three speed adjustable cooling fan *Brushed motor: Stronger Power *3D Turbine blades: Increasing Wind Power