Thank you for viewing. This is the Workman 2025 model Peltier vest. Purchased in July 2025. Used 2-3 times and am selling it as I no longer have the opportunity to use it. The vest has been cleaned. Both the device and the battery are in clean condition. Also, the box condition was not good from the time of purchase, so please purchase only if you don't mind. I would like to ask that only those who understand that this is a used item purchase it. * All accessories are included. * Operation has been confirmed.