Purchased in 2024, used only once. Selling because it doesn't suit my body type(^^) Operation confirmed. ⭐︎I lost the charging cable, which is a common occurrence. It's a Type-C to Type-A cable.⭐︎ ⭐︎Please refrain from purchasing if you are sensitive to used items. Below is the product description(^^) ⚫︎Color: Black ⚫︎Size: Free ⚫︎Material Body: 88% Polyester, 12% Polyurethane Mesh: 100% Polyester Instant cooling/heating for the body in 3 places! All-season cooling and heating clothing! ●Product Features● ●Sustainable comfortable work! Collaboration with specialized companies and leading universities! ・Peltier wear based on verification tests supervised by Tohoku University Hospital ●Cool in the summer! ・Amazing speed cooling ・Up to about -23°C <surface temperature about 2°C> (※Temperature difference from the device surface temperature when the ambient temperature is about 25°C) ●Warm in the winter! ・Amazing speed heating ・Up to about +39°C <surface temperature about 49°C> (※When the ambient temperature is about 10°C, wearing outerwear outside the vest) ●New function! Added fluctuation function ・5 minutes of operation, 1 minute stop. Function that repeats ON/OFF ・Reduces sudden cooling and heating! ●Adjustable in 3 modes each for heating and cooling ・Adjustable in 3 stages: strong/weak/fluctuation ・Peltier devices are installed on the front and back, efficiently cooling and heating the body ・Comes with a 20,000mAh battery ●Continuous operating time of the included battery ・ICE mode Strong: 4.5 hours Weak: 6.5 hours Fluctuation: 5.2 hours ・HEATER mode Strong: 12.3 hours Weak: 24.6 hours Fluctuation: 14.3 hours ●Fits various body types! ・Free size design that supports S~5L sizes ・Made of stretchy fabric for easy movement! ・Prevents slippage and enhances the fit to the body by adjusting the front and side belts Please feel free to ask if you have any questions(^^) Thank you. #ColdProtection #HeaterVest