Mesh material cool vest with cooling function, adjustable size for comfortable wear. - Color: Black - Size: XL - Function: With cooling function - Size adjustment: Adjustable with buckles Thank you for viewing. Purchase date: 2025/8/5 Used only once. Everything in the photos is included. (The USB charging cable is not shown, but it is new) This item has been in someone's possession once. We appreciate your understanding. Please note that the product will be sent in simple packaging. Thank you for your understanding. Please see the URL below for product details. https://burtle.jp/new_arrival/ss_ic101s/ Please be sure to watch the video below as there are no instructions. https://m.youtube.com/watch?v=GyQGipPkXWk Please note ↓ When turning on the power, turn on the battery. When turning off the power, press and hold the remote control for a while to turn it off. Two lamps will flash, which is to cool the Peltier element. The lamps will turn off after a while. If you don't follow this, the Peltier element may break because it will not cool. Cooling performance: Equipped with a powerful cooling mode of minus 18 degrees and a weak cooling mode of 12 degrees, allowing for two-stage temperature adjustment. Stretch material: Uses power mesh material (88% nylon, 12% polyurethane) for excellent elasticity and a comfortable fit. BURTLE's Ice Craft Vest, equipped with innovative cooling technology, establishes a new standard for heat countermeasures. It is equipped with a Peltier fan unit that can cool down to an astonishing minus 18 degrees, and achieves effective temperature management with a total of six attachment points on the neck and back. It combines excellent fit and ease of movement with power stretch material (88% nylon, 12% polyurethane). In addition to two-stage cooling adjustment (strong: -18 degrees, weak: -12 degrees), it also features a sway mode function that provides a comfortable cooling cycle. The compact battery allows for up to 3.5 hours of continuous use and achieves a powerful air volume of 85 liters per second. With a stylish design based on black with red accent zippers, it combines practicality and design. Everything is included, and it can be used immediately as a cooling Peltier vest.