Compact neck cooler with cooling function. - Model: A1 - Color: Black - Battery Capacity: 4000mAh - Size: 175 x 50 x 213mm - Features: Cooling function, compact, can be used on a desktop Thank you for viewing. I used it only once to turn on the power. I haven't used it since then. I am listing it because I don't plan to use it in the future. The shipping cost is 600-700 yen, so no price reduction. Please comment if you are interested. Price negotiations are within reasonable limits. Significant price reductions are not possible due to shipping costs.