INTUITIVE TO USE: This electric portable heating pad device uses USB charging for more convenience. It has three different adjustable temperatures and three different high frequency vibration frequencies, you can choose the mode according to your needs. NEW DESIGN: The wireless portable heating pad is designed to turn off automatically. If you fall asleep during use, our product will automatically shut down within 30 minutes if it detects your inactivity, ensuring your safety and health. If you want to use it again, just turn it on again. MORE ERGONOMICS: Our heating pads feature a very soft and comfortable contact surface on the back to keep you comfortable and evenly dissipate heat. Considering the size of the waist, our waist belt is adjustable up to 50 inches. Versatile application: You can use our products in different scenarios, whether you are resting, reading, driving or working, it will not affect you too much. WARNING: This heating pad produces heat efficiently and quickly. So please choose the lowest level on the first use. More importantly, don't let your skin come into direct contact with the device. Please place a cloth between the device and your skin. Size: 185*85*25mm Color: pink Packing list: 1pcs