Relaxing body - comfortable electric heating pad provides soothing heat therapy for cramps, waist, abdomen, knees, legs, etc., effectively helping to muscle tension, relieve fatigue, and promote blood circulation.It is suitable for relieving menstrual pain, lower neck and back or abdominal pain. HEATING AND MASSAGE - The use of infrared heating is conducive to human absorption,can warm the entire waist,accelerate blood circulation.It can be massaged by high-frequency vibration,can relax the muscles and relieve stress. Intelligent Security Settings - Don't worry about the temperature being too high after a deep sleep, Rechargeable Battery with cordless heating pad can free your hand easily with its rechargeable battery.Use time 2-5 hours when full power. You can use this back heat pad in bed, working, cooking, indoor or outdoor anytime anywhere. GOOD MATERIALS AND DESIGN - The heated belt is made of high-quality soft fabric, which is light and breathable and comfortable and warm when it is close to the skin. The high elastic belt can quickly adjust the waistband, suitable for all waist circumferences. WIDELY APPLICABLE - This heating massage pad can be used to relieve lumbar spine pain,sciatica,women's menstrual cold abdominal pain;office sedentary lumbar discomfort,long-distance driving strain,winter lumbar cold,relax the muscles,relieve stress,etc.