The Quantum™ Comfieze is a portable heating pad that features the latest graphene heating chip, delivering heat to your body in a mere three seconds! Applying heat can improve blood circulation and relax the muscles, greatly relieving pains from menstrual cramps, a sore back and sore muscles. 3 Vibration Modes :  Waist massage belt adopted double vibration motor, with 3 high frequency vibration adjustable, which can vibrate 7000 times per minute to relieve waist discomfort. 3 Heating Modes :  Waist heating belt built in graphene heating plate, with high thermal conductivity, can be heated quickly after charged and with 3 temperature mode adjustment to meet your different needs: 50°, 55°, and 60° Adjustable Size :  Elastic waist belt allows you to adjust the size to ensure maximum comfort. USB Rechargeable :  Built-in large capacity lithium battery, USB rechargeable, which is easy to use, and small in size allows you can carry it anywhere. Wear it in bed! Wear it at work! Wear it on your errands!