Letibe Peltier Backpack Cooling Peltier Cooling 6 Adjustable Peltier Fast Compatible with Other Heatstroke Heat Cycling [Maximum -28°C 30,000mAh]

[Redefining Peltier Technology: Instant Cooling Up to -28°C] Equipped with four industry-leading, large-area semiconductor cooling blades, it delivers an overwhelming cooling sensation, so cold it can be painful to the touch in just two seconds. It overcomes the noise issues of air-conditioned workwear, opening up a new dimension in cooling performance and environmental adaptability. [Portable Mini-Refrigerator Backpack] This Peltier backpack features an adjustable strap that allows you to adjust the fit to your body for optimal cooling efficiency. It also includes a storage pocket for storing lightweight accessories, making it perfect for outdoor activities like hiking, fishing, and cycling. [Heat and Cool Peltier Device with 6 Adjustable Temperature Settings] Enjoy extreme cooling in the hot summer, lowering your body temperature by up to 28°C, or warmth in the cold winter, keeping you warm by up to 35°C. Instantly adjust to the situation with the push of a button. Whether you're sweltering in the summer or chilly in the winter, this one piece of clothing will keep you comfortable! A smart choice for year-round use, this industry-leading 5th generation heat-switchable Peltier vest will keep you comfortable every day! [Industry-leading 30,000mAh Peltier] Compliant with the industry-leading Japanese standard JIS C 62133-2. The exterior is made of UL94 flame-retardant material, making it resistant to high temperatures and impacts. The ultra-large 30,000mAh capacity allows for up to 10 hours of continuous operation, and the fast charge function allows for a quick charge in 4.5 hours. The large, easy-to-read LED screen shows the remaining charge and status at a glance. Additionally, a water-resistant and dust-resistant cap has been added to extend battery life. Compatible with 95% of commercially available backpacks. Equipped with an attachment strap system, it can be used as a simple backpack on its own, or freely combined with other bags for customization. Its greatest feature is its practicality. Protected by Fukushima craftsmen, a reputable Japanese company with responsibility to the end. Rooted in Fukushima Prefecture, where we were founded, we adhere to transparent management, disclosing all corporate information under our corporate number 4010001215831. Through a strategic partnership with Mitsui Sumitomo Insurance, all products come with 1 billion yen product liability insurance. Our unique business model, which combines the "guarantee strength of a large company" with the "mobility of a local company," is why we are supported by professional users nationwide, from construction sites to agricultural work. [2025 Peltier Backpack Set Specifications] Peltier backpack*1, 30000mAh*1, Japanese instruction manual*1 Peltier: Can be switched between hot and cold Storage: Can also store lightweight small items Adaptability: Compatible with 95% of commercially available backpacks Temperature levels: 6 levels Maximum cooling temperature: -28℃ Maximum heating temperature: +35℃ Usage time: 4.5-10 hours Applicable to: Men and women Suitable for: Fishing, mountain climbing, golf, camping, cycling, watching sports, outdoor activities, etc. Heat protection/heatstroke prevention goods