【Note: The battery is not included with the heated vest; please purchase separately.】 Thank you for viewing! ❁ ＊Brand new, unused ＊No comment, instant purchase OK ＊First come, first served (only one available) #chamList -------✧Product Description✧------- 【Latest Improved Version, Rapid Heating, Cold Protection Heated Innerwear】: Uses Japanese far-infrared fiber. Absorbs sweat and generates heat, heating up super fast. Heats the body immediately in 3 seconds. Features a 3-level temperature adjustment function. The highest temperature reaches 65°C, and the maximum operating time is 12 hours, allowing for all-day use outdoors. Excellent elasticity and breathability, making it very popular as cold-protective heated innerwear in the dead of winter. Heated innerwear is perfect not only as a gift for friends but also for personal use. 【Active in Various Scenes, 3-Level Temperature Adjustment Possible】: Temperature can be adjusted in 3 levels: "Low - approx. 40°C-45°C, Medium - approx. 45°C-50°C, High - approx. 50°C-55°C". Can also be used as regular innerwear. Perfect for cold protection in places like home, office, car, motorcycle, and sports viewing. Adjust the level depending on the situation, and it will protect your body in cold outdoor environments such as motorcycles, skiing, and mountain climbing, and can also be used for daily commuting, work in cold places, business trips, etc. Perfect for cold days! 【Washable】*A free laundry bag is provided. When washing in the washing machine, put the clothes in the laundry bag. (Maximum washing water temperature 30°C) Hand washing is recommended (dry cleaning/ironing/bleach are prohibited/be sure to remove the battery before washing and let it dry naturally before use) Energy-saving and usable time depends on the situation, with 10000mAH providing up to 9 hours and 20000mAh providing up to 18 hours as a guide. (5V, 2.1A or higher required) 【Ultra-thin fabric, doesn't take up space】: You can feel the effect of various heat retention with temperature adjustment, such as sweaters, coats, down jackets, and windbreakers. It doesn't take up space, making it perfect for travel companions. Of course, it doesn't put a burden on the body during outdoor activities and exercise, allowing you to conserve energy. The waist area is elastic, allowing for free adjustment to loose or tight sizes. No need to worry about the wrong size, and both slim and loose styles can be achieved with this one piece.