[3 levels of airflow/3 levels of cooling, maximum perceived temperature of -15°C] The cooling plate equipped with the latest Peltier element in 2025 cools down in about 3 seconds, allowing you to experience a neck cooling fan with a maximum temperature of -15°C and a strong air volume. It is made of flexible silicone for smooth donning and doffing. Unisex size that can be used by both men and women. 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) *With "S2" Smart Mode→ Press the cooling button twice while using the cooling mode to switch to "S2" mode. A mode in which the "S2" cooling function is activated for 20 seconds and stops repeatedly for 10 seconds. When wearing it for a long time (approximately: about 30 minutes or more), it is recommended to turn on the smart mode to prevent low-temperature frostbite. If you want to return to normal mode→ press the cooling button twice again quickly to display "S1" and return to normal mode with continuous cooling. (4) After use, press and hold the air blow button/cooling button to turn off the power. [4400mAh large capacity battery and LCD display] Built-in 4400mAh large capacity battery. Even if you leave it on for a long time, the Peltier element plate part does not heat up easily, and the design prevents heat from accumulating. It has an easy-to-operate button arrangement and an easy-to-understand LED display. [About operating time and charging] [Blow only] Weak (F1) →about 10 hours, medium (F2) → about 6.5 hours, strong (F3) → about 4.5 hours [Cooling Plate Only] Weak (C1) → approx. 9 hours, Medium (C2) → approx. 6.5 hours, Strong (C3) → approx. 4.5 hours [Air Blowing + Cooling Plate] Weak (F1) + Weak (C1) → about 6.5 hours, Medium (F2) + Medium (C2) → about 3 hours, Strong (F3) + Strong (C3) → about 2 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): about 3 hours　 *Rated power supply: When using an AC adapter of 5V DC ⎓2A [Japan Planning Support] If you have any questions or notices about the product, please feel free to contact our customer support for consultation. 【Set Contents】 Main unit, USB Type-C cord, instruction manual (with warranty card) *This product does not come with an AC adapter.