General description Heated vest designed for both men and women, perfect for outdoor activities such as motorcycle riding, hunting, hiking, and camping. This USB electric heating jacket features three adjustable temperature settings and is washable, lightweight, and comfortable to wear. Technical specifications Sizes available: S, M, L, XL, XXL, 3XL Heating levels: Red (high temperature 60 ℃), White (medium temperature 50 ℃), Blue (low temperature 40 ℃) Heating zones: 5 zones covering the left side, right side, left abdomen, right abdomen, and back Power requirement: 5V / 2A Installation Connect the USB port to a power bank (not included) Place the power bank in your pocket Press and hold the vest button for 3 seconds to turn on Usage Adjust the heating temperature by briefly pressing the button after preheating To turn off, press and hold the button for about 3 seconds until the light goes out Other information Includes: 1 Electric heated vest, 1 Manual