Advanced Heat Therapy Our heating pad uses the latest graphene heating chip to release far-infrared heat and provide heat to the body. It can be heated safely and quickly in one minute, Can effectively relieve pain during menstrual-period.High-Frequency Massage There are three high-frequency vibration massage modes (3000,4500 and 6000 vibrations/Min.), No interval, short interval and long interval vibration. Touch the switch to adjust vibration massage modes, choose one you like best. Protable and Adjustable 3 heat settings to meet your different needs. Press the switch quickly to change the mode: 113F (red), 131F (blue), 149F (green), Portable design allows you to take it wherever you go. Widely Application The heated belt is made of high-quality soft fabric, which is light and breathable and comfortable and warm when it is close to the skin. Adjustable velcro and elastic waistband for up to 40 inches for waist circumference: 23''- 40''. Can be used for multiple body parts. Cordless Menstrual Heating Pad For Cramps Period Pain Relief