Far Infrared Heating waistband wholesale china

Specifications 1. Rated voltage: 100V-240VAC 2. Comes with one temperature controller. Advantages 1. It can facilitate blood circulation, lessen lumbar pain, warm kidney and support lumbar, and relieve female cramp as well. 2. Use high technological bio-thermal fiber as a heat source. 3. Possess far infrared physical therapy (radiating 5-12um light wave on conducting electricity). 4. Surface temperature: between 40?J and 70?J