Electric USB Heated Knee Pad & Muscle Warmer

<p>Electric heating knee pad • USB heating pad for knee and muscles</p> <p>Product description<br> Fast-heating electric knee pad provides comfortable hot therapy, relieves pain from arthritis, injuries, or recovery after surgeries. Suitable for use on knees, calf muscles, thighs, and arms to relieve muscle pain and cramps.</p> <p>Adjustable design with two dual-function straps and hook-and-loop system allows you to fix the warmer on your leg or arm without ha