Feature: 1. POWERFUL AND 3 SPEED ADJUSTABLE: The electric fan of this air conditioning working vest come with 3 blades, bring strong air volume. High performance brushless motor, equipped with copper core bearings, possess low noise, high speed. Just press the included remote control button, you can switch the wind weak speed, medium speed, strong speed, 3 levels free switch 2. UV PROTECTION AND HEAT STROKE PREVENTION: The work clothes with fans use ultra thin soft fabrics with sunblock coating to prevent temperature rise and have high heat insulation, achieving an average temperature reduction of 17℃ compared to the usual material air conditioning vests. Sweat absorption, possess excellent sporadic, moisture absorption, good air permeability, not easy to produce unpleasant odor. The wind energy sent out by the fan cools well from the neck to the body, allowing to work comfortably even on sultry rainy days 3. USB POWER SUPPLY: The USB powered fan of the electric vest use a mobile power supply, and the fan has an extremely long continuous working time. The 10000mAH battery(not included) can be used for a full charge time of about 8 hours(strong), about 12 hours(medium), about 15 hours(weak), varies according to battery capacity and usage. Button to simple start, stop. In addition, the propeller part can be removed from the outer cover for direct cleaning 4. WIDE APPLICATION: Work clothes with air conditioning. People who work in air conditioned environments such as factories or outdoor operation can also cope with heat stroke in the summer, and can work easily even in high temperatures to improve work efficiency, which is indispensable in the sultry rainy season or summer 5. APPLICABLE SCENARIO: Air conditioning work suit can be used for leisure, outdoor, distribution, school, mountaineering, fishing, work, agricultural operation, horticulture, golf, field work, construction industry, transportation industry, line factory, civil work, iron industry, activities and other occasion Specification: Item Type: Fan Cooling Vest Material: Polyester Fiber Gender: Unisex. Package List: 1 x Air Conditioning Clothing 1 x Connecting Cable 2 x Fans