I am selling this item because I purchased it this summer and have only used it a few times, so I don't have the opportunity to use it anymore. Please refrain from purchasing if you are concerned about the item being stored at home. 2025 Model - Peltier Vest with 5 Advanced Devices for Instant Body Cooling/Heating 【Cooling in Summer】 ・Amazing speed cooling ・Up to approximately -28°C <Surface temperature approximately -3°C> (※When the ambient temperature is approximately 25°C, the temperature difference from the device surface temperature (according to the manufacturer)) 【Warm in Winter】 ・Amazing speed heating ・Up to approximately +39°C <Surface temperature approximately 49°C> (※When the ambient temperature is approximately 10°C, wearing an outer garment over the vest) 【Workman's Most Ever! 5 Peltiers】 ・Equipped with a total of 5 Peltier devices: 1 on the back, 2 on the lower back, and 2 on the front ・Experience coolness/warmth over a wider area! 【New Function! Dial Moving Adjuster】 ・By turning the dial on the right chest, you can adjust the position of the two Peltier devices on the lower back up and down ・You can change the cooling position, so you can feel the cooling/heating more continuously! 【Adjustable to Your Preferred Temperature】 ・Cooling mode can be switched between 4 types, and heating mode can be switched between 2 types, allowing for fine temperature adjustments 【Fits body types from S to 5L size (chest 80-124cm)!】