Thank you for viewing! Ice Touch Device Vest Peltier device with battery This is a used item, used a few times, and its operation has been confirmed. It's a ready-to-use set. Brief Description: ① Peltier device has 3-stage cooling mode switching. ② Peltier device and battery are removable. ③ Comes with an official Mizuno battery. Please check the official website for details. There is no significant external damage, discoloration, or signs of use, but please understand that this is a used item. Also, the fan will be attached to the vest, and it will be shipped in simple packaging. Please check the photos and consider. [Regarding Correspondence] We are sorry, but please refrain from purchasing if you are overly sensitive. Also, this product is non-refundable and non-returnable. Shipping will be done in simple packaging. Thank you very much.