[FAST HEATING]: The heating pad uses the PI metal heating and built in upgraded intelligent security chip, PI metal heating film is electrified to release -infrared wave, which can quickly and safely heat in 3-5 seconds, drive out cold and warm the uterus, effectively reduce menstrual pain.Fast in 3 seconds, The metal heating film is energized to relrase -infared waves to the subcutaneous layer to drive the cold and effectively relieve menstrual pain, Built in smart chip with multiple protections to you and her safey. Suitable for menstrual , back pain, stomach cold and period .Adjustable elastic belt can up to 52 inch, suitable for all shapes and sizes.[3 LEVEL TEMPERATURE & 4 GEAR MASSAGE DESIGN]: The warm uterus belt adopts NTC intelligent system to control the temperature, three levels of constant temperature hot compress to meet your needs, press the switch button to change the temperature between: 50,55, 60(About 122, 131, 140). 4-gear vibration massage, to the waist and abdomen, multi acupoint massage to relieve menstrual pain fundamentally.[EASY TO USE]: The Heated Waist Belt with LED display screen, which clearly indicates the temperature level and vibration massage mode, just press the corresponding switch button to change the temperature and vibration mode, easy to use.[WIDE APPLICATION]: The electric heating belt can warm the stomach and uterus, warm the waist, and the function of the kidneys, suitable for menstrual , back pain, stomach cold, muscle soreness and other pain. blood circulation, help relief pain on your shoulder, neck or other parts.[LIGHTWEIGHT & COMFORTABLE]: menstrual heating pad made of thick ABS material, weighing only 0.5lbs, which allow you carry this massage heating pad wherever you go. The cover material is m of soft fabric, breathable and comfortable, provides -friendly and optimal comforts for body touch. Perfect gifts for mom, dad, women or .Feature:1.Built-in lithium battery 1800mAh2.Two control buttons (adjust vibration, adjust temperature)3.3 seconds rapid heating, built-in security chip4.3-speed intelligent temperature adjustment5.4-speed vibration massage6.Adjustable elastic strap with buckleMaterial: ABScolour: WhitePackage Contents:1 x warm uterine beltOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.