有的

这个是护腰款的：

https://www.amazon.ca/Comfier-Cordless-Electric-Washable-Menstrual/dp/B07VQ6FH7W/ref=sr_1_3_sspa?crid=3VUEFMPFOIABR&dchild=1&keywords=heating+pad+for+lower+back&qid=1606156081&sprefix=heating+pad+for+lower%2Caps%2C168&sr=8-3-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyV1UzRjVMTEFFT1VGJmVuY3J5cHRlZElkPUEwOTY2NTI1M0RJWTcxMFdBRjZXVCZlbmNyeXB0ZWRBZElkPUEwNzU3Nzc4UVlESVEzUU82TktDJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

这是脚上用的

https://www.amazon.ca/Electric-2200MAH-Rechargeable-Breathable-Climbing/dp/B07ZD2P1DS/ref=sr_1_20?dchild=1&keywords=heating+pad+for+boots&qid=1606156145&sr=8-20

都贼贵。