4-Way Design Compatible with Lucine Provides comfortable airflow in any situation, such as work, outdoor activities, and the office. 5000mAh High-Capacity Battery & Rapid Cooling Function Up to 23 hours of continuous use (on low setting). Equipped with a "Turbo Cooling Mode" that lowers the perceived temperature by up to 23°C thanks to its unique airflow design. Provides instant cooling relief even in the scorching sun or high-temperature environments. Sweat-Proof, Dust-Proof, and Shock-Resistant Design Features waterproof and dustproof performance for peace of mind in environments with sweat and dust. Withstands harsh conditions such as construction sites and camping. LED Lighting for Enhanced Practicality Built-in high-intensity LED light to support use in dark places. Wind speed (low/medium/high) and lighting can be switched with a single button. Can also be used for nighttime work or emergency lighting. Three-Stage Wind Speed USB Charging LED Light Emergency Charging Only test-run (charged), never used. Please read the profile before bidding.