Sunray Dr. Far Infrared Heating Mat USB 12V Code, 3 temperaure Settings Auto Shut Off, 3 Heat-Settings, Ultra Soft and Thin Cover Medical fabrics without any harm to the human body Available to cover and wrap Waterproof Muscle and Joint Pain Relief Therapy Fast-Heating 45Cm x 90Cm[Easy Cleaning] Waterproof material can keep cleaning and easily remove contaminant at all times. [Safe] Using the Medical polyurethane(IS-100) which is used for children and no harm to human body Smart Controller with Timer and Temperature settings, Auto shut off. DC 12V output, no risk of electric shock, which is definitely safer than the traditional electric pads. [Easy to Use] Very Thin and flexible mat can wrapping neck, shoulder, knee and covering your body with 12V 5A output, just connect to any functional USB port, adapter. It works everywhere with a seat, such as bed, car, home or office chair. Just take it along to wherever needed. [Pain Relief Comfort] By penetrating deeper than standard heating pads. By far the best home treatment devices you can use! Heal sore muscles and joints by increg circulation and reducing inflammation with far infrared Light not available in standard heating pads. Helping relieve tension and stress, alleviating chronic fatigue and depression, improving flexibility, metabolism, boosting the immune system and increg overall well-being. [IR Therapy] Infrared light penetrates deep into your body (0.7-2.7 inches) and boosts local blood circulation, which brings more healing nutrients and pain-relieving components to all the way to the inner layers of your skin, to your muscles, nerves, and bones. infrared light therapy is a safe, drug-free and effective method for long-lasting pain relief and injury-healing.