describe:1. Rapid heating: High-efficiency rapid heating system, rapid heating in 3 seconds, quickly relieve menstrual pain, the warmth reaches directly to the lower abdomen, driving away the cold for you.2. 90% large heating area: The heating area is large and can care for multiple parts and apply heat. It not only warms the uterus, but also protects the waist and stomach.3. Excellent efficacy: Constant temperature warms the uterus, bids farewell to cold uterus, dysmenorrhea, and low back pain, bringing you a comfortable menstrual period and a healthy body.4. Vibration adjustment: The dual vibration motors on the waist are reasonably distributed and arranged. The vibration is adjustable in 4 levels and can vibrate 7,000 times in 1 minute to relieve waist discomfort.5. Intelligent temperature control: temperature control chip, three-level temperature adjustment. Automatic timing to avoid forgetting to turn off and overheating. Multiple protections to protect your health.Specification:Product name: Intelligent Palace Warming BeltGear selection: 3rd gearBattery capacity: 3000mAhRated power: 5WMaterial: ABS+PC+velvet+elastic waistbandSize: 22*10*4cmCharging time: 2-3h (turn off the phone when charging)Package includes:1 x Smart Palace Warming Belt1 x instruction manual