[3 levels of airflow/3 stages of cooling, up to -15°C] The cooling plate equipped with the latest Peltier element in 2025 cools down in about 3 seconds, and you can experience the neck cooler with a perceived temperature of up to -15°C and strong air volume. It is also recommended as a heat protection product. It is made of flexible silicone and is easy to put on and take off. The design has built-in blades that prevent hair from getting tangled. [How to use] (1) Fit to fit around your neck. (Women should use it with their hair tied up) (2) Press and hold the air blow/cool button to turn on the power. *"Cooling mode" and "Blow mode" can also be used alone. (3) Set the mode to your choice from three levels of air volume (weak, medium, and strong winds) and three levels of cooling (weak, medium, and strong). (Each short press of each button changes power) (4) After use, press and hold the air blow button/cooling button to turn off the power. [5200mAh large-capacity battery and LCD display] Built-in 5200mAh large capacity battery. A neck fan designed to prevent the Peltier part from heating up even if left on for a long time, preventing heat from being trapped. It has an easy-to-operate button arrangement and an LCD display that can be seen at a glance. [About operating time and charging] [Blow only] Weak (F1) →about 11 hours, medium (F2) → about 9 hours, strong (F3) → about 4.5 hours [Cooling plate only] Weak (C1) → about 10 hours, medium (C2) → about 9 hours, strong (C3) → about 6 hours [Air Blower + Cooling Plate] Weak (F1) + Weak (C1) →Approx. 9 hours, Medium (F2) + Medium (C2) → Approx. 5 hours, Strong (F3) + Strong (C3) →Approx. 2.5 hours. *The above values are measured at 30°C in the operating environment. *The operating time and charging time also vary depending on the charging environment, the frequency of use of this product, the usage environment, mode, and combination. *The combination of blowing + cooling can be combined at different levels, such as "F1+C2" or "F2+C3". (Charging time): Approximately 4 hours *Rated power supply: When using an AC adapter of 5V⎓2A DC [Japan Planning Support] If you have any questions or notices about the product, please feel free to contact our customer support for consultation. 【Contents】Main unit, Type-C USB charging cord, Japanese instruction manual (with warranty card) *This product does not come with an AC adapter.