2025 Model High-performance cool vest with instant cooling and heating functions in 5 locations. Used a few times. It cools down and warms up quickly. There are no stains as far as I can see. In photos 6 and 7, it's a little difficult to see, but there's a slight dent, which may have been there from the beginning. There are no operational issues. Free-size cool vest with instant cooling to -28°C and instant heating to +39°C. - Model: WindCore PRO model - Cooling temperature: Instant cooling -28°C - Heating temperature: Instant heating +39°C - Battery: 20,000mAh - Size: Free size - Features: Dual motor adjustment - Pockets: Multiple storage pockets Everything in the photos is included. For those who understand that this is a used item, Thank you very much. Thank you for looking.