SPECIFICATIONS Brand Name: MAGCELLAPY Voltage: 220V, adapter will be needed if 110V Size M: 50*150CM / 6KG Size L: 60*150CM / 7KG Size: Large Origin: Mainland China Negative ion level: At least 700/cc Model Number: VL-001 Material: Jade Stone and Plastic Material: Stone Needle Item Type: Massage Relaxation Internal temperature of mat: 30-70 degrees Celsius Important Note: these are internal mat temperatures (30-70c ) and surface temperature is less Function 6: Upper or lower back pain Function 5: intend to improve blood circulation Function 4: DEEPLY SOOTHING RELIEF Function 3: NEGATIVE IONS THERAPY Function 2: HOT STONE THERAPY Function 1: FAR INFRARED THERAPY External surface temperature: 30 to 50 degrees Celsius EMF Radiation Protection: Advanced filtration system Controller: Time, temperature settings Application: neck, shoulders, back, knees, and legs Application: Body