【3 Seconds Fast Heating Pad】 The menstrual heating pad is made of ABS material, with constant temperature control system, low pressure stability, can quickly provide heat. After starting, it can quickly heat up in 3 seconds, effectively relieving back and abdominal pain. 【Four Constant Temperature Modes】: menstrual belt Constant temperature hot compression to quickly relieve pain. Mode 1: 45°C daily insulation mode, Mode 2: 50°C menstrual care, Mode 3: 55°C dysmenorrhea hot compression, Mode 4: 60°C lumbar care. Different temperatures meet your different needs. 【Four Vibration Modes】: menstrual heating belt Vibration massage similar to a human hand to relieve pain. Fits comfortably around the waist and abdomen, multi-point massage, four vibration modes, eliminate pain, and the heating area covers ≥95% for full heating, surround heating, promote blood circulation and relieve dysmenorrhea. 【Portable and USB Charging】: Heating belt ruler Easy to wear, new strap design, adjustable elastic