Heat therapy can increase blood flow and relax tight, aching muscles. You will appreciate the soft fabric and easy to reach and use digital controls. After a long, stressful day, it natural to experience stiffness around the neck and shoulders. If left untreated this tightness can cause tension build-up, muscle pain, and headaches. Customize your comfort with your choice of 6 heat settings and you can select to let the pad to run or use the timer to tailor your heat setting for up to 2 hours. The Heat Heating Pad technology helps provide soothing heat relief in 30 seconds for fast heat and fast relief..syi