Jumbao's patented product—the graphene semiconductor cooling vest—utilizes advanced and upgraded graphene semiconductor technology to instantly lower body temperature to 5°C and raise it to 50°C in the blink of an eye, achieving rapid cooling and heating. This vest is lightweight and portable, features one-button start-up, and offers multiple temperature settings within the range of 5°C to 50°C.
Graphene Semiconductor Cooling & Heating Jacket
Rapid cooling and heating with precise temperature control, adjustable between 5 °C and 50 °C; powered by a power bank for easy portability.
Rapid cooling & heating, precise temperature control
Graphene cooling film works in tandem with a semiconductor cooling chip, delivering an icy 5 °C sensation in 3 seconds; instant ice-mist forms on the back, dropping perceived temperature by 10 °C.