Heating temperature: 40 for 1st gear, 50 for 2nd gear, 60 for 3rd gear Product function: vibration, hot compress Feature: Easy to use: This electric portable heating pad device uses USB for charging, which is more convenient. It has three different temperatures and three different mass-age modes. You can select the mode as required. More ergonomic: there is a very soft and comfortable contact surface on the back of our heating pad, which can make you feel comfortable and dissipate heat evenly. Considering the waist circumference, our belt can be adjusted to 60 inches at most. Multi scenario use: You can use our products in different scenarios. No matter you are resting, reading, driving or working, it will not have too much impact on you. Convenient charging: from thermoses to waist warming stickers, they are very limited to the human body. Compared with our previous products, our new generation of heating pads costs more, but does not require external power. It needs to be fully charged in time, so you can enjoy the warmth. Comfortable vibration, warming the uter-us and dispelling cold: increase the area of warming the uter-us, effectively relieve pain, flexibility, fever and heat dissipation, apply heat to the stomach, persist in using it for a long time, effectively recuperate the body and care for health. Include: 1x heating massage belt 1x USB cable