Brand: Dnrl Color: Black Electric Fan Design: Wearable Fan 【One Year, Four Seasons Compatible! New Generation Neck Fan - Explosive Cooling Power!】 Upgraded design in 2025, equipped with a dual cold and warm system for both winter and summer, making it a standard for comfortably enjoying hot summers and cold winters! Featuring three cooling plates and two mesh fans, the dual structure provides a 360-degree cool surround. It offers a wider cooling range and stronger refrigeration effect, lowering the perceived temperature by 16°C within seconds. Utilizing the "Peltier element" used in refrigerators and wine cellars, it incorporates a semiconductor refrigeration chip, quickly transforming into a "mini air conditioner." Ideal as a gift for instant cooling, rapid cooling, and preventing heatstroke! One year, four seasons compatible! You can turn on the heating mode to quickly raise the temperature, making it suitable for wearing in cold winters, like a hot towel on your neck, enjoying sustained warmth. 【3D Up-and-Down Ventilation & 3-Level Airflow Adjustment】 This neck fan has three adjustable buttons for both cooling and heating modes, allowing you to easily switch between cooling mode/fan/heating mode and select different temperatures depending on the scene. Compared to commercially available neck coolers, this product adopts three high-quality, highly conductive ice ceramic sheets, increasing cooling/heating efficiency by 300% and cooling the entire body from the neck! 3-level free adjustment, by pressing the button, you can switch between 3 levels of airflow (strong, medium, weak) and 3 levels of cooling (weak, medium, strong). You can feel cool even on hot summer days. 【Ultra-Long Usage! Equipped with a 6000mAh Large Capacity Battery & LCD Power Display】 Battery life has been improved! The neck cooler has a built-in 6000mAh large-capacity battery, providing peace of mind for long hours of outdoor work and outdoor activities. It can be easily charged using the included USB cable, allowing for various charging methods. Equipped with an LED display, you can see the remaining battery level and airflow level at a glance. It has been charged and operated only once for operational testing.