This is the Workman 2025 model WindCore ICE & HEATER Peltier Vest PRO model. (Items included) Dedicated vest Peltier device Dedicated battery Dedicated USB cable Type-C conversion cable Warranty (6 months from purchase on April 25th) All items are shown in the images. Although there is no instruction manual, there is a QR code on the outer box that provides video instructions on how to use the product. A woman used this for work about 10 times. She is selling it because she will be using something else. There are small scratches on the Peltier metal parts from use, but it is in good condition with no stains or tears. Please consider this item if you are not concerned about minor details, as it has been stored at home. WindCore Free size