WindCore PRO2 model cool vest that achieves instant cooling of -28°C and instant heating of 39°C in 5 places. Purchased at a store at the end of April. Used about 10 times. I am selling it because I no longer need it. Operation is not a problem. It is a used item. There are some scratches. Please understand this before purchasing. Instruction manual and warranty are included. The vest has been washed. Other items have been wiped with disinfectant wipes. Product Contents ・Peltier vest ・Peltier unit ・Dedicated battery ・Dedicated battery charging cable ・Dedicated battery conversion adapter ・Warranty and instruction manual Please comment if you have any questions. Thank you.