Feature:1. Large Area Hot Compress: Upgrade the large heating surface to fully cover multiple acupoints, dispel the cold and warm the uterus, and no more pain during menstruation.2. 5 Second Heating Technology: Heat directly under the skin, and the same frequency warms the uterus to activate blood circulation.3. 3 Level Intelligent Constant Temperature: Safety care, 1st level of 40 degrees, daily warm uterus, 2nd level of 50 degrees, menstrual care, 3rd level of 60 degrees, good news for dysmenorrhea.4. 3 Stage Vibration: Close to the waist and abdomen, massage acupuncture points, relieve menstrual pain in the cold uterus.5. Portable: Breathable, lightweight, ideal for indoor and outdoor use, suitable for hot compresses on multiple body parts, especially for waist, abdomen, etc.Specification:Item Type: Menstrual Heating PadProduct Material: ABS, Electronic ComponentsProduct Size: Approx.196 x 85 x 28mm / 7.7 x 3.3 x 1.1inBattery Capacity: Polymer Lithium Battery, Capacity 2000mAh (Included)Use Time: 1st Level 7H; 2nd Level 5H; 3rd Level 3HWeight: Approx.367g / 12.9oz.Package List:1 x Massager1 x Usb Cable1 x User Manual