We are a heated apparel company who devoted to developing heated jacket, heated vest. We found many customers would love to find a very warm outdoor clothing in the chilly days, so that they do not need to wear a few clothes when they are enjoying outdoor activities and working, so we developed this kind of heating apparels, when it's heating is very warm and suitable for the cold weather in winter.Our products will be delivered within 7-15 working days, please rest assured to buy!Please choose the correct size according to our size chart and height/weight recommend.One size UP for men is recommended if you prefer loose-fitting.You will get: Heated Jacket x1Specifications:Name: Heated Vest Men Jacket WomenCondition: Brand New Color: Black, Gray, Dark BlueGender: Men, WomenMaterial: 95% Cotton + 5% SpandexCarbon fiber wire Heating temperature: Red LED 45℃, Bule LED 35℃, Green LED 25℃Power supply: USB power bank (not include, 10000mah power bank can be heated for about 6-7 hours)Size: M, L, XL, 2XL, 3XL, 4XL, 5XL,6XL,7XLSeason: Autumn, WinterHow to use：Charging - Fully charge the power bank, before use. Plug-in type-connects the power bank to a plug located in the pocket. On-Press and hold the on / off button for three seconds. The initial temperature is about 45degrees (red LED), the intermediate temperature about 35degrees (blue LED), and the lowest about 25degrees (green LED)