【ADJUSTABLE FAN SPEED & FREE MOVEMENT DESIGN】The cooling vest is equipped with fans that provide 4 adjustable wind speeds (21V/19V/17V/15V). The fan units are lightweight. The vest design allows natural body movement. The vest can be used with office chairs and does not interfere with regular use when resting against a backrest.
【STRONG AIRFLOW & LONG-LASTING BATTERY PERFORMANCE】The cooling vest is equipped with 2 DC fans and brushless motors. Fan speed reaches up to 12000 rpm, and maximum airflow is 80 liters per second. Each fan weighs 85g with a thickness of 38mm. Operating time ranges from 8 to 16 hours with 21V power, depending on speed settings and actual usage.
【LIGHTWEIGHT FABRIC】The vest is made of highly breathable material. The fabric is wrinkle-resistant, thin, quick-drying, and does not shrink after washing. It can be worn under outerwear without adding extra bulk. It is suitable for outdoor work, labor-intensive activities, and daily use.
【21V 20000mAh BATTERY PACK】The 20000mAh battery is equipped with a 21V DC interface, LED power display, and 20W fast charging function. Charging time is approximately 5–6 hours for a full charge. The battery weighs 0.74 lbs and measures 4.3×2.7×1.1 inches. Operating time varies by speed level: 8–9 hours (21V), 10–11 hours (19V), 12–13 hours (17V), 15–16 hours (15V). Actual operating time depends on usage and environment.
【EASY INSTALLATION & DETACHABLE DESIGN】Fan units and battery are detachable for cleaning and storage. Installation does not require complex tools. Components can be assembled or disassembled by hand. The detachable structure supports separate maintenance of fans and battery.
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