Thank you for viewing! (*^^*) I purchased this for myself and my elementary school child to watch the fireworks, but the size didn't fit my child, so I am selling one. This item is 【new and unopened】, so you can use it with confidence. 【Recommended Points】 (Impressions from actual use) ・Great for use both indoors and outdoors! (I was comfortable even while doing housework such as cooking, laundry, and cleaning) ・The airflow can be adjusted in 8 stages. I felt cool enough even at "1". ・The battery life is good, and it can be used for a long time. ・It doesn't get too cold like a "cool ring," providing a natural comfort. ・Lightweight design, so I, who have stiff shoulders, can use it comfortably♪ ⸻ Please consider it as a companion for leisure and housework from now on (*^^*) Immediate purchase is welcome ⭕️ This ultra-lightweight neck cooler achieves a body temperature reduction of -15℃ with contact cooling and 360° airflow. - Cooling method: Contact cooling and 360° airflow - Airflow adjustment: 8 levels - Continuous operating time: 18 hours - Charging method: Type-C comfortable charging - Perceived temperature: -15℃ - Weight: Ultra-lightweight - Volume: Silent design - Arm adjustment: Adjustable arm