All-round Heating for Pain Relief With a size of 36.6x22in. this heating pad offers complete coverage to your neck. shoulder. and back. It can help relieve chronic back pain. muscle spasms. joint stiffness. and other conditions by promoting consistent circulation throughout the body. 6 Temperature Levels &amp. 4 Timer Settings This heating pad features 6 temperature levels and 4 Timer settings. You can customise the heat level from 40-60&#8451.(104-140'.)and the timer mode from 30-120 mins. Besides. overheating protection effectively prevents burns or overheating if you fall asleep with the heating pad on. Wearable Design With snap fasteners at collar and adjustable waist straps. the heating pad can stay in place for hand-free convenience when you are working or doing house chores. No need to worry about slipping or getting loose. Flexible And Portable Due to its flexible design. the pad can also be placed over the knee. legs. or any joint to soothe pain. Besides. it can be rolled up for great portability and its long power cord up to 6.9ft gives you freedom to plug it in any socket and use it on your bed.