Product Condition: Used for approximately 6 hours after purchase. Product Description NECK COOLER Air Neck Cooler Air THANKO White Brand: THANKO Product Name: Neck Cooler Air TKNC23SWH Color: White Accessories: Main unit USB Type-C cable Fan-equipped battery Slim battery Japanese instruction manual 《Product Description on the Package》 ○ Refreshing wind is added to the coolness, making it even cooler Even cooler with W cooling of a high-volume fan and cooling plate. In addition to the "cooling plate" that maintains coolness with electricity, it is equipped with a high-volume fan that refreshes the neck. You can now spend your time more comfortably with the coolness of the wind and the cooling plate. Cooling plate The aluminum plate, which cools up to -10C※2 from the ambient temperature, cools the neck from both sides Efficiently cool down. High-volume fan Refreshing wind blows through your neck! There are two types of wind volume: strong and weak. ○ The secret to staying cool even in the scorching sun "Cooling plate" that cools down with the same principle as a small refrigerator It's cool even in midsummer with the "Peltier cooling device" also used in small refrigerators! Unlike water or cooling gel, the coolness lasts with electricity. In addition, the "fluctuation mode," which has a utility model registration, prevents it from getting too cold, ○ 2WAY that can be used depending on the situation Two types of batteries included When indoors or when the heat is weak, use the slim battery to use only the cooling plate, When working outdoors or in the scorching sun, use the fan-equipped battery, More refreshing with W cooling of wind and cooling plate. It has become convenient to use it depending on the situation.