Stay cool and comfortable in any high-temperature environment with this advanced Cooling Fan Vest, designed to provide effective personal cooling through a high-speed waist-level fan system. Crafted from lightweight, breathable polyester fiber, this vest ensures durability and long-lasting wear while delivering fast and efficient cooling performance. Equipped with a powerful 20,000mAh rechargeable lithium battery, it offers up to 24 hours of continuous use on low speed, making it an ideal solution for outdoor adventures, work, travel, and indoor use. Key Features: · Three-Level Adjustable Fan Speed: Customize your cooling experience with three fan speed settings, allowing for low noise operation and continuous use to meet varying cooling needs. · Long-Lasting Endurance: Powered by a high-capacity 20,000mAh lithium battery, the vest delivers approximately 12 hours of use on high speed and up to 24 hours on low speed for extended cooling comfort. · Fast and Efficient Cooling: The high-speed fan positioned at waist height draws in large volumes of air that flow parallel to the body surface, promoting rapid sweat evaporation and reducing body temperature effectively. · Multi-Functional Use: Besides cooling, this vest provides sun protection, making it suitable for diverse environments and weather conditions. · Wide Application Range: Perfect for use in hot indoor or outdoor environments, including construction sites, outdoor sports, travel, hiking, and other high-temperature activities. · Premium Polyester Fiber Material: Made from lightweight, breathable polyester fabric that is durable, resistant to damage, and ensures comfortable wear throughout the day. Specifications: · Item Type: Cooling Fan Vest · Material: Polyester, Plastic, Metal, Electronic Components · Rechargeable Battery Type: Lithium Battery (Included) · Battery Capacity: 20,000mAh / 3.7V · Charger Input: DC 5V = 2.1A · Charger Output: DC 5V = 2.1A Size Options: · L: Length 67cm (26.4in), Shoulder Width 44cm (17.3in), Bust 120cm (47.2in), Suggested Height 165-175cm (64.9-68.9in), Weight 65-75kg (143.3-165.3lb) · XL: Length 69cm (27.2in), Shoulder Width 46cm (18.1in), Bust 124cm (48.8in), Suggested Height 170-180cm (66.9-70.9in), Weight 73-83kg (160.9-183lb) · XXL: Length 71cm (27.9in), Shoulder Width 47cm (18.5in), Bust 128cm (50.4in), Suggested Height 175-185cm (68.9-70.9in), Weight 80-90kg (176.4-198.4lb) Package Includes: · 1 x Cooling Fan Vest with Built-in Fan and Rechargeable Battery This Cooling Fan Vest combines innovative design with durable materials and powerful battery life to deliver reliable personal cooling. Ideal for those working or enjoying outdoor activities in hot climates, it ensures you stay refreshed and protected throughout the day.