Warms the upper body: A heated vest that is soft and breathable and that warms the body, waist, stomach and neck extra much is perfect when it's really cold. It warms you during outdoor activities such as camping, hunting, fishing, skiing, hiking or when sitting in the stands during the cold season. Can be used as an outerwear or as a comfortable warm base layer. Three temperature levels: The heated vest heats up in just 3 seconds and you can choose between three heat levels, 45°C, 55°C and 65°C. Heating via power bank: The heating vest is charged via a power bank and then heats between 5-8 hours.  Washable heated vest: The vest can be hand washed. Read the washing instructions and other safety instructions below before using the heated vest. Specifications: Color: black/grey Size (unisex): S Note: The vest is marked with Asian size L, which corresponds to S (SMALL) Shoulder width: 36 cm, 1/2 bust: 47 cm, Length: 61 cm Size (unisex): M Note: The vest is marked with Asian size XL, which corresponds to M (MEDIUM) Shoulder width: 38 cm,1/2 bust: 51 cm, Length: 61 cm Size (unisex): L Note: The vest is marked with Asian size XXL, which corresponds to L (LARGE) Shoulder width: 41 cm, 1/2 bust: 53 cm, Length: 63 cm Size: XL Note: The vest is marked with Asian size XXXL, which corresponds to XL (X-LARGE) Shoulder width: 42 cm, 1/2 bust: 56 cm, Length: 65 cm Material: polyester/carbon fiber Temperature Level: Low (about 45 degrees/blue light), Medium (about 55 degrees/white light), High (about 65 degrees/red light) - Zipper: Yes Output: 5V/2A Battery life: 5-8 hours Battery Capacity: 10000mA Power Supply: Power Bank (Not Included) Note: 1. The heating vest has a built-in USB port to connect a power bank. Powerbank connection plugs and chargers should not come into contact with water, they should be used in a completely dry state (powerbank not included). 2. Do not use while sleeping