[Cool in summer]continues to break through the boundaries of personal body temperature management. This upgraded cooling waist fan is the result of a relentless and user feedback. This be the ultimate solution for keeping your whole body cool this summer. [Super strong wind, covering the whole body] It adopts the industry-leading ultra-wide-angle air outlet to provide a large area of cooling and sweat elimination. It can deliver 876,000 square centimeters of airflow per minute, achieving comprehensive cooling from the head to the waist! Patented multi-angle air outlet design ensures that cold air is not blocked by clothing. [Powerful Battery, Fast Charging, Endless Cooling]Equipped with certified battery and Type-C cable fast charging, it can quickly charge from 0% to 80% in 1 hour. Featuring three airflow speeds that provide up to 15 hours of cooling, ensuring continued comfort wherever you go. [ PCM Heat Dissipation Material]Using advanced PCM heat dissipation material, it absorbs