Feature 1.Fast & Effective Pain Relief. Innovative far infrared technology is used to offer continuous heat and warming comfort, effectively relieving menstrual cramps and associated abdominal pains. 2.Wireless Use. 1800mAh large capacity battery, avoid the trouble of USB cable and power bank 3.Better Heating Performance. To enhance your using experience, we specially use a smart chip to ensures safe & stable heat emission, and a graphene layer to conduct the heat efficiently & uniformly with little heat loss. 4.Comprehensive Nourishment for Body. With larger heating area and broader aluminium foil, the product fully covers plenty of acupoints to improve the overall condition of abdominal area. 5.For Menstrual & Daily Uses. Perfectly suits your need in various occasions. Gear 1 (50): offers daily care for your womb; gear 2 (55): offers special care in menstrual period; gear 3 (60): Effectively relieves dysmenorrhea. 6.Additional Massage Pleasure. 4 vibration intensities can knead your abdomen and soothe its stiffness, offering you comfortable company 7.More Advantages. Silent operation: no noise & light, no disturbance to daily life; ultra-soft plush: skin-friendly fabric, 100% no irritation to skin; portable design: can be easily carried around and used in office, on a trip, etc. Caution 1.People listed below are prohibited to use the product: (1)People with coronary disease or heart disease; (2)People with unhealed skin wounds or abnormal skin; (3)During the onset of gout; or having suffered from gout and not completely recovered; (4)Pregnant women, or cervical tumor patients. 2.Do not use it while sleeping. 3.Please avoid using it on the same skin area for too long. Pay attention to skin condition, and remove it immediately if there occurs any abnormality. 4.Do not use it near fire source, corrosive liquid or in other adverse environments. Specification Item Type: Menstrual Heating Pad Color: Pink/White Material: Thickened ABS+Plush Suitable Waistline: 24-57in Rated Power: 3V Battery Capacity: 1800mAh Charging Voltage: 5V Charging Time: 2H Using Time: 2H Weight: 145g Size: 17.5*8*2.5cm/6.9*3.1*1in Product Include 1*Main Machine 1*USB Cord 1*Manual 1*Box