Perfect when heat therapy  required to relieve pain; 4 controlled heat settings and a 90-minute automatic shut off
Cloth sponge for moist heat application; penetrates for deep pain relief fast heat-up, feel the heat in 30 seconds
Uses SmartWire technology to provide 4 layers of safety; wire break and wire short detection; local overheat protection and power short prevention
The cloth cover is gentle on the skin and hand-washable