? Overheating protection: The heating line is designed to resist any stretching or bending. An increase of 80°C automatically disconnects the line, stops the heating and stops the alarm within one minute, with additional heating line and thermal anomaly protection. The temperature can be adjusted from 35-80 degrees Celsius via the controller and the time can be set from 15-60 minutes. ? materials: Oxford cloth on the outside and waterproof PVC with elastic stretch on the inside. no unpleasant temperatures when heated. The whole part of the blanket heats up even if you are in a different sleeping position. ? Ergonomic design: The sauna blanket is ergonomically designed. You can unclench your hands when using the sauna blanket. It has a well insulated design and is easy to use your mobile phone, read a book or newspaper. The sauna blanket is also very functional. Powerful functions: The sauna blanket raises the temperature of the deeper tissues of the skin, promotes blood circulation throughout the body, cleanses the body's meridians and speeds up the body's metabolism for healthy weight loss. It has the ability to stretch flexibly even in different sleeping positions.