Specification BrandTENGOONameHeated vestMaterialRocker FleeceFabric90 polyester fiberLining90 polyester fiberColourBlackVoltage5VMode3 gears 45℃ blue light 50℃ white light 60℃ red light Temperature45℃ 60℃WeightM 340g L 360g XL 380g 2XL 400g 3XL 430gSizeM L XL 2XL 3XLPacking size40 29 4cmSizeLength cm Bust cm Shoulder cm Height cm Weight kg M599035156 16045 50L619637161 17055 60XL6310239171 17560 702XL6510641176 18070 803XL6710843181 19080 90Description 1 Suitable for people with the following symptoms shoulder discomfort waist discomfort back discomfort neck discomfort 2 Safe and Practical The heated vest features the infrared heating built in heating module waterproof craft design which is safe and easy to wash 3 5 Heating Zones The heated vest features the humanized heating part design and the heating zone is designed for cold prone parts and the heated vest features the 5 heating zones 4 Premium Fabric The heated vest is made of high quality fabrics which features the stretch knitting stitching design and good elasticity so the vest is comfortable to wear skin friendly warm soft washable machine washable 5 Long press for 5 seconds to open third gear temperature control You can manually adjust the temperature you want the temperature difference is about 5 °C the temperatur