Features： 1、Wireless, more convenient, small and light in weight, easy to carry. 2、Suitable for women during menstruation, people lack of exercise, people with chronic waist ache and the elder. 3、 Gears vibration massage and intelligent temperature control, more functional options. 4、Integrated body designs, non?detachable or folding, high safety to use. 5、Can warm the stomach and uterus, warm the waist and protect the kidney function. Specification： Item Type: Heating Belt Material: ABS Built-In Battery: Lithium battery 1800mAh Heating temperature: 40℃: Warm Compress, suitable for daily warm uterus and stomach; 50℃: Menstrual Nursing, menstrual caring; 60℃: Relieve dysmenorrhea, the Gospel of dysmenorrhea. Vibration Mode: 3 Gear. 1st gear is soft, second gear is comfortable, third gear is strong Charging Time: 3-4h Package List： 1 x Heating Belt 1 x USB Charging Cable