DetailsThis lower back massager heating pad utilizes advanced EMS pulse technology for deep muscle relief. Discover tailored massage experience with 8 massage modes, 19 intensity levels and 3 heating levels. Also features 30Mins auto shutoff for safety. The removable magnetic host and portable remote enable wireless operation. The long belt with extension pad fits waists 25.59-47.24in. Cordless and rechargeable, ideal for lower back pain, period cramps, muscle tension after exercise, relaxation