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 Included 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 to a maximum of -10C※2 from the ambient temperature, cools the neck from both sides for efficient cool-down. High-volume fan Refreshing wind blows through your neck! There are two types of wind volume: strong and weak. ○ The secret to lasting coolness even in the scorching sun "Cooling plate" that cools with the same principle as a small refrigerator Cool and refreshing 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. ○ 2-WAY 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 for W cooling with wind and cooling plate for more refreshment. It has become convenient to be able to use it depending on the situation.