Feature:1. RAPID HEATING: Electric heating belt, 3 seconds of rapid heating, can effectively relieve abdominal pain, warm the lower abdomen, dispel cold.2. PAIN REDUCE: The heated waist belt has a 90% larger heating area and multiple areas can be heated to help reduce menstrual cramps and back pain.3. 4 STAGES: Menstrual heating belt comes with 4 temperature stages and 4 massage modes, allowing you to easily adjust the different temperatures and vibration patterns.4. HIGH FREQUENCY VIBRATION: The menstrual belt uses dual vibration motors with a high frequency of up to 7000 vibrations per minute to help relieve back discomfort.5. SAFETY IN USE: Intelligent heating belt with temperature control chip, automatic timing, to avoid forgetting to turn off the machine and prevent excessive heat application.Specification:Item Type: Electric Heated Waist BeltMaterial: ABSHeating Temperature: 35-65Product Size: Approx. 18 x 9cm / 7.1 x 3.5inPower Supply: Lithium batteryBattery Capacity: 2500mAh (shipped with built in battery).Package List:1 x Heated Waist Belt1 x Instruction Manual1 x USB Charging Cable