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1. 3 SPEEDS ADJUSTABLE: The fan adopts 3 speeds adjustable to meet your different needs, with low noise and continuous operation.
2. LONG BATTERY LIFE: 20000 mAh power supply(with), with 12 hours for a maximum speed and 24 hours for a lowest speed. The battery can be used for a long time and has strong endurance.
3. WORKING PRINCIPLE: By using a waist high high speed fan, a large amount of air outside the body flows parallel to the body , quickly evaporating sweat and reducing body temperature.
4. MULTIPURPOSE: A sleeveless design self defense vest that can be used not only for cooling but also for sun protection.
5. APPLICABLE SCENARIOS: The fan adopts thread combination, which is more convenient for installation. Universal for multiple scenarios, high temperature environment, outdoor environment, indoor environment, outdoor adventure, travel.
6. NYLON MATERIAL: Air conditioning vest is made of nylon material, with a lightweight and breathable fabric that is not easily damaged and can be used for a long time.

Spec:
Item Type: Cooling Vest
Material: Nylon, Plastic, Metal, Electronic Components
Power Bank Battery Type: Lithium Battery (shipped with matching battery)
Power Bank Battery Capacity: 20000mah, 3.7V
Power Bank Input IN: DC 5V 2.1A
Power Bank Output OUT: DC 5V 2.1A

How to Use:
Simply install the fan and connect it to the power bank to use it.

Package List:
1 x Clothes
2 x Fan
1 x Speed Control Line
1 x Power Bank
1 x Charging Cable
1 x Manual